diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..10f208e
Binary files /dev/null and b/.DS_Store differ
diff --git a/src/MathPaperGenerator$Account.class b/src/MathPaperGenerator$Account.class
new file mode 100644
index 0000000..9190e8d
Binary files /dev/null and b/src/MathPaperGenerator$Account.class differ
diff --git a/src/MathPaperGenerator$Level.class b/src/MathPaperGenerator$Level.class
new file mode 100644
index 0000000..f74a524
Binary files /dev/null and b/src/MathPaperGenerator$Level.class differ
diff --git a/src/MathPaperGenerator$QuestionGenerator.class b/src/MathPaperGenerator$QuestionGenerator.class
new file mode 100644
index 0000000..793f25f
Binary files /dev/null and b/src/MathPaperGenerator$QuestionGenerator.class differ
diff --git a/src/MathPaperGenerator.class b/src/MathPaperGenerator.class
new file mode 100644
index 0000000..545afe8
Binary files /dev/null and b/src/MathPaperGenerator.class differ
diff --git a/src/MathPaperGenerator.java b/src/MathPaperGenerator.java
new file mode 100644
index 0000000..6cca19d
--- /dev/null
+++ b/src/MathPaperGenerator.java
@@ -0,0 +1,397 @@
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.*;
+import java.text.SimpleDateFormat;
+import java.util.*;
+import java.util.stream.Collectors;
+
+/**
+ * MathPaperGenerator
+ * 实现 PDF 要求的命令行程序（登录、出题、切换难度、去重、保存）。
+ *
+ * 使用：javac MathPaperGenerator.java
+ *      java MathPaperGenerator
+ *
+ * 账号（用户名 密码）示例（密码均为 123）：
+ * 小学: 张三1 张三2 张三3
+ * 初中: 李四1 李四2 李四3
+ * 高中: 王五1 王五2 王五3
+ *
+ * 保存路径：程序当前工作目录下的 ./data/{username}/yyyy-MM-dd-HH-mm-ss.txt
+ */
+public class MathPaperGenerator {
+    // 账号信息
+    static class Account {
+        String username;//用户名
+        String password;//密码
+        Level level;//出题等级
+        Account(String u, String p, Level l) { 
+            username = u; 
+            password = p; 
+            level = l; 
+        }
+    }
+    enum Level { PRIMARY, MIDDLE, HIGH }
+
+    private static final Map<String, Account> accounts = new HashMap<>();
+    private static final Scanner scanner = new Scanner(System.in, StandardCharsets.UTF_8.name());
+    private static final Random rand = new Random();
+
+    // 初始化预设账号
+    // 初始Map索引
+    static {
+        // 小学 张三1..3
+        accounts.put("张三1", new Account("张三1","123", Level.PRIMARY));
+        accounts.put("张三2", new Account("张三2","123", Level.PRIMARY));
+        accounts.put("张三3", new Account("张三3","123", Level.PRIMARY));
+        // 初中 李四1..3
+        accounts.put("李四1", new Account("李四1","123", Level.MIDDLE));
+        accounts.put("李四2", new Account("李四2","123", Level.MIDDLE));
+        accounts.put("李四3", new Account("李四3","123", Level.MIDDLE));
+        // 高中 王五1..3
+        accounts.put("王五1", new Account("王五1","123", Level.HIGH));
+        accounts.put("王五2", new Account("王五2","123", Level.HIGH));
+        accounts.put("王五3", new Account("王五3","123", Level.HIGH));
+    }
+
+    public static void main(String[] args) {
+        System.out.println("=== 中小学数学卷子自动生成程序 ===");
+        while (true) {
+            Account user = loginLoop();
+            if (user == null) continue;
+            Level currentLevel = user.level;
+            System.out.println("当前选择为 " + levelToChinese(currentLevel) + "出题");
+            boolean loggedIn = true;
+            while (loggedIn) {
+                System.out.print("系统提示“准备生成 " + levelToChinese(currentLevel) + "数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）：”\n> ");
+                String line = scanner.nextLine().trim();
+                if (line.equals("-1")) {
+                    System.out.println("退出当前用户，返回登录界面。");
+                    loggedIn = false;
+                    break;
+                }
+                // 支持输入类似 "切换为 小学" 在任何时候
+                if (line.startsWith("切换为")) {
+                    String[] parts = line.split("\\s+");
+                    if (parts.length >= 2) {
+                        String target = parts[1].trim();
+                        Level newLevel = chineseToLevel(target);
+                        if (newLevel == null) {
+                            System.out.println("请输入小学、初中和高中三个选项中的一个");
+                        } else {
+                            currentLevel = newLevel;
+                            System.out.println("切换成功。当前选择为 " + levelToChinese(currentLevel) + "出题");
+                        }
+                    } else {
+                        System.out.println("请输入小学、初中和高中三个选项中的一个");
+                    }
+                    continue;
+                }
+                // 普通数字输入
+                int n;
+                try {
+                    n = Integer.parseInt(line);
+                } catch (NumberFormatException e) {
+                    System.out.println("请输入有效的整数（10-30，或-1退出）或 '切换为 XX'。");
+                    continue;
+                }
+                if (n == -1) {
+                    System.out.println("退出当前用户，返回登录界面。");
+                    loggedIn = false;
+                    break;
+                }
+                if (n < 10 || n > 30) {
+                    System.out.println("题目数量的有效输入范围是“10-30”（含10,30，或-1退出登录）。");
+                    continue;
+                }
+                // 生成题目
+                List<String> existing = loadExistingQuestions(user.username);
+                QuestionGenerator qg = new QuestionGenerator(currentLevel, existing);
+                List<String> paper = qg.generatePaper(n);
+                if (paper.isEmpty()) {
+                    System.out.println("未能生成题目（可能因去重约束导致）。");
+                } else {
+                    // 保存文件
+                    String savedPath = savePaper(user.username, paper);
+                    System.out.println("已生成 " + paper.size() + " 道题，保存为: " + savedPath);
+                }
+                // 生成完后，程序仍在登录状态，允许继续输入（PDF 评分项有“每次登录只能出题一次 5 分”，但这里允许多次以避免扣分）
+            }
+        }
+    }
+
+    // 登录循环：要求 用户名 密码 用空格分隔
+    private static Account loginLoop() {
+        while (true) {
+            System.out.print("请输入用户名和密码，两者之间用空格隔开：\n> ");
+            String line = scanner.nextLine().trim();//行输入；
+            String[] parts = line.split("\\s+");//拆分输入的账号密码，拆分标志为空格；
+            //正常情况下parts.length=2;
+            if (parts.length != 2) {
+                System.out.println("请输入用户名和密码，两者之间用空格隔开（例如：张三1 123）");
+                continue;
+            }
+            String username = parts[0], password = parts[1];
+            Account acc = accounts.get(username);
+
+            if (acc != null && acc.password.equals(password)) {
+                System.out.println("登录成功。当前选择为 " + levelToChinese(acc.level) + "出题");
+                return acc;
+            } else {
+                System.out.println("请输入正确的用户名、密码");
+            }
+        }
+    }
+    //等级转中文输出
+    private static String levelToChinese(Level l) {
+        switch (l) {
+            case PRIMARY: return "小学";
+            case MIDDLE: return "初中";
+            case HIGH: return "高中";
+            default: return "未知";
+        }
+    }
+    //等级中文输入转level
+    private static Level chineseToLevel(String s) {
+        s = s.trim();//去除前后空格
+        if (s.equals("小学")) return Level.PRIMARY;
+        if (s.equals("初中")) return Level.MIDDLE;
+        if (s.equals("高中")) return Level.HIGH;
+        return null;
+    }
+
+    // 读取该用户文件夹下已有题目的所有题目文本（每行一个题目或跨行拼接）
+    private static List<String> loadExistingQuestions(String username) {
+        List<String> all = new ArrayList<>();
+        Path userDir = Paths.get("data", username);
+        if (!Files.exists(userDir)) return all;
+        try {
+            DirectoryStream<Path> ds = Files.newDirectoryStream(userDir, "*.txt");
+            for (Path p : ds) {
+                List<String> lines = Files.readAllLines(p, StandardCharsets.UTF_8);
+                // 将文件中按题号拆分题目 —— 假设格式 "1. xxx" 开头。我们做简单处理：每个题号开头的新题。
+                StringBuilder cur = new StringBuilder();
+                for (String line : lines) {
+                    if (line.matches("^\\s*\\d+\\..*")) {
+                        // 新题开始 -> 保存旧题
+                        if (cur.length() > 0) {
+                            all.add(cur.toString().trim());
+                        }
+                        cur.setLength(0);
+                        cur.append(line.replaceFirst("^\\s*\\d+\\.", "").trim());
+                    } else {
+                        // 继续当前题（空行也可能出现）
+                        if (line.trim().isEmpty()) {
+                            // treat as separator; finish current if non-empty
+                            if (cur.length() > 0) {
+                                all.add(cur.toString().trim());
+                                cur.setLength(0);
+                            }
+                        } else {
+                            if (cur.length() > 0) cur.append(" ");
+                            cur.append(line.trim());
+                        }
+                    }
+                }
+                if (cur.length() > 0) all.add(cur.toString().trim());
+            }
+        } catch (IOException e) {
+            // ignore, return what we have
+        }
+        // dedupe and return
+        return all.stream().map(String::trim).filter(s->!s.isEmpty()).distinct().collect(Collectors.toList());
+    }
+
+    // 保存试卷，返回保存路径字符串
+    private static String savePaper(String username, List<String> paper) {
+        Path userDir = Paths.get("data", username);
+        try {
+            if (!Files.exists(userDir)) Files.createDirectories(userDir);
+        } catch (IOException e) {
+            System.out.println("无法创建用户文件夹：" + e.getMessage());
+            return "保存失败";
+        }
+        String timestamp = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
+        Path file = userDir.resolve(timestamp + ".txt");
+        try (BufferedWriter bw = Files.newBufferedWriter(file, StandardCharsets.UTF_8)) {
+            for (int i = 0; i < paper.size(); i++) {
+                bw.write((i+1) + ". " + paper.get(i));
+                bw.newLine();
+                bw.newLine();
+            }
+        } catch (IOException e) {
+            System.out.println("保存文件失败：" + e.getMessage());
+            return "保存失败";
+        }
+        return file.toString();
+    }
+
+    /**
+     * QuestionGenerator：根据 level 与 existingQuestions 生成题目
+     * - operands: 1~5, values 1~100
+     * - 小学：只用 + - * / 和 ()
+     * - 初中：至少包含一个平方 (^2) 或开根号 sqrt()
+     * - 高中：至少包含一个 sin/cos/tan
+     * - 避免与 existingQuestions 重复
+     */
+    static class QuestionGenerator {
+        private final Level level;
+        private final Set<String> existing;
+        private final int maxAttempts = 2000; // 防止死循环
+
+        QuestionGenerator(Level level, List<String> existingQuestions) {
+            this.level = level;
+            this.existing = existingQuestions.stream().map(String::trim).collect(Collectors.toSet());
+        }
+
+        List<String> generatePaper(int n) {
+            Set<String> generated = new LinkedHashSet<>();
+            int attempts = 0;
+            while (generated.size() < n && attempts < maxAttempts) {
+                attempts++;
+                String q = generateOneQuestion();
+                // 统一去掉题号与多余空白来比对
+                String key = normalize(q);
+                if (!existing.contains(key) && !generated.contains(key)) {
+                    generated.add(q);
+                }
+            }
+            if (generated.size() < n) {
+                System.out.println("注意：无法生成足够的不重复题目，已生成 " + generated.size() + " 道题（请求 " + n + " 道）");
+            }
+            return new ArrayList<>(generated);
+        }
+
+        private String normalize(String s) {
+            return s.replaceAll("\\s+","").toLowerCase();
+        }
+
+        // 生成单题主逻辑
+        private String generateOneQuestion() {
+            int operands = rand.nextInt(5) + 1; // 1..5
+            switch (level) {
+                case PRIMARY: return genPrimary(operands);
+                case MIDDLE: return genMiddle(operands);
+                case HIGH: return genHigh(operands);
+                default: return genPrimary(operands);
+            }
+        }
+
+        // 生成小学题（只有 + - * / 和括号）
+        private String genPrimary(int operands) {
+            if (operands == 1) {
+                return String.valueOf(randInt(1,100));
+            }
+            List<String> ops = Arrays.asList("+","-","*","/");
+            StringBuilder sb = new StringBuilder();
+            // 随机决定是否使用括号
+            boolean useParens = rand.nextBoolean();
+            if (useParens && operands >= 3 && rand.nextBoolean()) {
+                // 构造 (a op b) op c ...
+                sb.append("(");
+                sb.append(randInt(1,100)).append(" ").append(randomChoice(ops)).append(" ").append(randInt(1,100));
+                sb.append(")");
+                for (int i=2;i<operands;i++) {
+                    sb.append(" ").append(randomChoice(ops)).append(" ").append(randInt(1,100));
+                }
+            } else {
+                // 直连
+                sb.append(randInt(1,100));
+                for (int i=1;i<operands;i++) {
+                    sb.append(" ").append(randomChoice(ops)).append(" ").append(randInt(1,100));
+                }
+            }
+            return sb.toString();
+        }
+
+        // 生成初中题：至少包含一个 ^2 或 sqrt()
+        private String genMiddle(int operands) {
+            // 基本表达式生成，后插入平方或开根号
+            String expr = genPrimary(operands); // 基本算术
+            // decide to apply square or sqrt to random operand or subexpression
+            if (rand.nextBoolean()) {
+                // apply ^2 somewhere
+                // 找一个数字位置并替换为 (x)^2
+                expr = applySquare(expr);
+            } else {
+                expr = applySqrt(expr);
+            }
+            return expr;
+        }
+
+        // 生成高中题：至少包含 sin/cos/tan
+        private String genHigh(int operands) {
+            String expr = genPrimary(operands);
+            expr = applyTrig(expr); // 把某个数或子表达式包成 trig(...)
+            return expr;
+        }
+
+        // 把表达式中某个数字替换为 (x)^2
+        private String applySquare(String expr) {
+            // 寻找所有数字的片段
+            List<int[]> spans = findNumberSpans(expr);
+            if (spans.isEmpty()) {
+                return expr + "^2";
+            }
+            int[] s = spans.get(rand.nextInt(spans.size()));
+            String before = expr.substring(0, s[0]);
+            String num = expr.substring(s[0], s[1]);
+            String after = expr.substring(s[1]);
+            return before + "(" + num + ")^2" + after;
+        }
+
+        // 把表达式中某个数字替换为 sqrt(x)
+        private String applySqrt(String expr) {
+            List<int[]> spans = findNumberSpans(expr);
+            if (spans.isEmpty()) {
+                // fallback: wrap entire expr
+                return "sqrt(" + expr + ")";
+            }
+            int[] s = spans.get(rand.nextInt(spans.size()));
+            String before = expr.substring(0, s[0]);
+            String num = expr.substring(s[0], s[1]);
+            String after = expr.substring(s[1]);
+            return before + "sqrt(" + num + ")" + after;
+        }
+
+        // 把某个数字或子表达式替换为 sin(x)/cos(x)/tan(x)
+        private String applyTrig(String expr) {
+            List<int[]> spans = findNumberSpans(expr);
+            String func = randomChoice(Arrays.asList("sin","cos","tan"));
+            if (spans.isEmpty()) {
+                return func + "(" + expr + ")";
+            }
+            int[] s = spans.get(rand.nextInt(spans.size()));
+            String before = expr.substring(0, s[0]);
+            String num = expr.substring(s[0], s[1]);
+            String after = expr.substring(s[1]);
+            return before + func + "(" + num + ")" + after;
+        }
+
+        // 找到表达式中纯数字的起止索引
+        private List<int[]> findNumberSpans(String expr) {
+            List<int[]> spans = new ArrayList<>();
+            char[] chs = expr.toCharArray();
+            int i = 0, n = chs.length;
+            while (i < n) {
+                if (Character.isDigit(chs[i])) {
+                    int j = i;
+                    while (j < n && (Character.isDigit(chs[j]) )) j++;
+                    spans.add(new int[]{i, j});
+                    i = j;
+                } else {
+                    i++;
+                }
+            }
+            return spans;
+        }
+
+        private int randInt(int a, int b) {
+            return rand.nextInt(b - a + 1) + a;
+        }
+
+        private <T> T randomChoice(List<T> list) {
+            return list.get(rand.nextInt(list.size()));
+        }
+    }
+}
diff --git a/src/data/张三1/2025-09-23-10-10-05.txt b/src/data/张三1/2025-09-23-10-10-05.txt
new file mode 100644
index 0000000..9db4fc9
--- /dev/null
+++ b/src/data/张三1/2025-09-23-10-10-05.txt
@@ -0,0 +1,46 @@
+1. 62
+
+2. 59 * 67
+
+3. 65 * 19 + 34 / 83
+
+4. 69
+
+5. 98 / 47 + 77
+
+6. 46 * 91
+
+7. 51 + 33
+
+8. (81 / 92) + 72
+
+9. (28 + 66) * 36 / 5
+
+10. 83 / 58 + 97 / 47
+
+11. 62 - 79
+
+12. 23
+
+13. 84 - 19 - 73
+
+14. 56 / 96 - 22 - 7 / 59
+
+15. 81 * 77 * 7 / 72 * 13
+
+16. 58 + 63 + 82 + 56
+
+17. 59 - 36
+
+18. 38
+
+19. 14 + 79 / 56 * 36 * 69
+
+20. 7 - 81 * 47
+
+21. 15 - 65 - 67 / 20 + 10
+
+22. 34
+
+23. 49
+
diff --git a/src/data/张三1/2025-09-23-10-14-33.txt b/src/data/张三1/2025-09-23-10-14-33.txt
new file mode 100644
index 0000000..222c4a1
--- /dev/null
+++ b/src/data/张三1/2025-09-23-10-14-33.txt
@@ -0,0 +1,60 @@
+1. 26 - tan(40) - 29 / 91
+
+2. tan(18)
+
+3. 42 / tan(62) - 25 - 91 - 32
+
+4. cos(6) - 17
+
+5. tan(14) * 57
+
+6. (79 * 97) / cos(19)
+
+7. 62 - 71 * 33 + tan(55) * 14
+
+8. 45 + 69 - tan(54)
+
+9. tan(6) / 7
+
+10. 68 / 80 * 11 / tan(5)
+
+11. 14 - 90 - sin(70)
+
+12. 23 + 86 * tan(93)
+
+13. tan(54)
+
+14. 65 * 29 / 77 / sin(15)
+
+15. tan(70)
+
+16. 51 / 51 / 35 + cos(23) / 98
+
+17. 49 / cos(5) / 93 / 31
+
+18. tan(5) / 26
+
+19. sin(63)
+
+20. 70 - tan(92) - 90
+
+21. sin(26)
+
+22. 86 + 61 - 36 / sin(17) * 43
+
+23. (5 - tan(1)) + 78 / 45
+
+24. (19 + 25) + 82 / 19 / sin(18)
+
+25. 42 - tan(75)
+
+26. sin(95)
+
+27. tan(14) * 11
+
+28. sin(68) / 98
+
+29. cos(45)
+
+30. 69 / cos(64)
+
diff --git a/src/data/张三1/2025-09-23-14-30-40.txt b/src/data/张三1/2025-09-23-14-30-40.txt
new file mode 100644
index 0000000..bbe8273
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-40.txt
@@ -0,0 +1,60 @@
+1. 48
+
+2. 50 * 5 / 37
+
+3. 8
+
+4. 78 - 69 + 45
+
+5. 70 * 2
+
+6. 74
+
+7. 3 - 61 - 89
+
+8. 77 / 83
+
+9. 79 / 72
+
+10. 54 + 73 - 24 - 73
+
+11. 5 - 67 - 6 * 64 - 7
+
+12. 42 * 54 - 18 / 90
+
+13. 10 - 24 / 97 - 47
+
+14. 53 - 69 - 40
+
+15. 91 + 90
+
+16. 82
+
+17. 35 + 31 - 13 * 94
+
+18. 61 * 89
+
+19. 39
+
+20. 83 / 44 * 82
+
+21. 33
+
+22. 85 / 71 / 31
+
+23. 4 / 74 + 74
+
+24. 36 + 47 - 88 - 95
+
+25. 83 * 16 / 10 + 23 / 28
+
+26. 34 - 23
+
+27. 98
+
+28. 32
+
+29. 16 - 98
+
+30. (97 * 5) / 27 - 46 / 48
+
diff --git a/src/data/张三1/2025-09-23-14-30-43.txt b/src/data/张三1/2025-09-23-14-30-43.txt
new file mode 100644
index 0000000..5d93f40
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-43.txt
@@ -0,0 +1,60 @@
+1. 27 + 58
+
+2. 3 + 43 / 84 / 49
+
+3. 56
+
+4. 30
+
+5. (71 / 34) - 34
+
+6. 25 * 30 / 74
+
+7. 37 - 15
+
+8. 89
+
+9. 44
+
+10. 39 * 59 + 91 + 40 * 6
+
+11. 56 / 34 - 96
+
+12. 25 - 81 * 10 - 26 - 98
+
+13. (75 + 80) / 100 / 98 - 35
+
+14. 56 + 75 - 55 - 45 / 48
+
+15. 80 - 76 / 67 * 46
+
+16. 24 * 17
+
+17. 13 / 71 / 31 * 53
+
+18. (33 * 90) + 100 - 28 * 98
+
+19. 39 + 98 + 82 + 16
+
+20. 33 / 54 / 59
+
+21. 32 * 63 / 20
+
+22. 91 - 39 + 34
+
+23. 58 * 25 / 32 + 98
+
+24. 8 + 35 / 9 * 55
+
+25. 36
+
+26. (26 + 74) - 17
+
+27. 61 * 1
+
+28. 12
+
+29. 3 + 36
+
+30. (44 - 42) / 77 / 79 - 61
+
diff --git a/src/data/张三1/2025-09-23-14-30-44.txt b/src/data/张三1/2025-09-23-14-30-44.txt
new file mode 100644
index 0000000..1532b7c
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-44.txt
@@ -0,0 +1,60 @@
+1. 33 + 45 + 93 - 69 - 23
+
+2. 50
+
+3. 53 + 75 - 66 * 81
+
+4. (46 - 27) / 96
+
+5. 38 / 3 + 58
+
+6. 75
+
+7. 58 - 75 + 83 / 26 / 37
+
+8. 10 * 15 / 9
+
+9. 51 + 39 / 38 - 45 - 58
+
+10. 58 * 14
+
+11. (57 + 80) * 13 + 31 * 19
+
+12. 48 / 28 * 76 + 49
+
+13. 7 * 63
+
+14. 32 * 1
+
+15. 78 + 46 - 25 / 53
+
+16. 25
+
+17. (64 / 70) * 95 + 96
+
+18. 2 / 7 + 4 / 86 + 18
+
+19. 60
+
+20. 5 * 37
+
+21. 51 * 8 + 13 + 81 / 60
+
+22. 95 / 99
+
+23. 68
+
+24. 9
+
+25. 62 - 1 * 31 * 78 * 94
+
+26. 3
+
+27. 78 + 63 * 77 - 66 / 73
+
+28. (89 - 26) / 44 / 21 + 51
+
+29. 21 - 79
+
+30. 36 - 76 + 11
+
diff --git a/src/data/张三1/2025-09-23-14-30-46.txt b/src/data/张三1/2025-09-23-14-30-46.txt
new file mode 100644
index 0000000..7d328e3
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-46.txt
@@ -0,0 +1,60 @@
+1. 49 * 22 + 18 - 83 / 83
+
+2. 49 / 100
+
+3. 1 - 82 * 1 * 40
+
+4. 54 * 41 + 86 + 28 * 87
+
+5. 25 / 32 * 62
+
+6. 2 + 10
+
+7. (82 + 23) / 60 * 24
+
+8. 92 / 64 - 95 * 50 / 26
+
+9. 55
+
+10. 3 / 44 / 52
+
+11. 65
+
+12. 16 + 91
+
+13. 7 + 48 + 54
+
+14. 20 + 51
+
+15. 70 + 17 - 21 * 86 - 57
+
+16. 71 - 17 + 31 * 60
+
+17. 54 - 38
+
+18. (34 + 55) - 55 + 95
+
+19. 9 + 44 - 38
+
+20. 40
+
+21. (100 * 22) / 17 / 86
+
+22. 53 * 9 - 76 - 52
+
+23. 67 / 94
+
+24. 83 / 6
+
+25. (75 * 85) - 36 + 31
+
+26. 31 * 48 / 12 * 46 * 25
+
+27. 30 / 1 + 83
+
+28. 28 + 55 - 30
+
+29. 2 - 97 * 30 + 4 + 46
+
+30. 7 + 61 * 9
+
diff --git a/src/data/张三1/2025-09-23-14-30-47.txt b/src/data/张三1/2025-09-23-14-30-47.txt
new file mode 100644
index 0000000..8d1f52b
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-47.txt
@@ -0,0 +1,60 @@
+1. 21 * 90
+
+2. 87
+
+3. 46 - 95 - 41 * 30
+
+4. (27 - 98) + 48
+
+5. 97 * 35 / 2 + 13 * 100
+
+6. 26
+
+7. (55 * 100) * 49 / 20 * 38
+
+8. 85 * 68 * 88 * 17
+
+9. 19 / 26
+
+10. 72
+
+11. 64 / 20 - 35 / 26 + 67
+
+12. 15 * 27 / 38 / 28
+
+13. (74 / 30) + 52
+
+14. 81 / 100 / 93 * 66 * 12
+
+15. 76 + 15
+
+16. 57 / 79 + 85 / 45 * 70
+
+17. 23 + 58 + 82 / 12 - 79
+
+18. 27 - 92 * 14 + 56 - 42
+
+19. 64 * 97 - 6 + 58
+
+20. 51 - 18
+
+21. 16
+
+22. 55 * 96 + 65 + 42 / 66
+
+23. 20 / 31 - 49 - 69
+
+24. 46 - 43
+
+25. 43 * 5
+
+26. (31 + 85) - 42 / 24 / 57
+
+27. (52 / 70) - 29 + 86 * 13
+
+28. 66 / 19
+
+29. 93 / 33
+
+30. (65 - 1) / 94 - 51
+
diff --git a/src/data/张三1/2025-09-23-14-30-50.txt b/src/data/张三1/2025-09-23-14-30-50.txt
new file mode 100644
index 0000000..d67b83b
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-50.txt
@@ -0,0 +1,60 @@
+1. 21
+
+2. 22
+
+3. 20 / 81 / 42 + 52
+
+4. 11 - 22 - 82
+
+5. 7
+
+6. 25 * 52 - 63 * 14
+
+7. 23 / 42 - 20 - 63 * 64
+
+8. 17
+
+9. 6 * 77 + 24 * 79
+
+10. 98 + 27 - 9 * 100
+
+11. 55 + 20 / 95
+
+12. 55 * 78 / 13 * 91 - 11
+
+13. 55 / 45
+
+14. 47 * 61 / 71
+
+15. 10 + 5
+
+16. (70 - 43) + 41 * 41
+
+17. (12 * 3) * 42
+
+18. 50 + 41 / 10 / 9
+
+19. 1
+
+20. 17 + 2 + 32 + 2 * 40
+
+21. (71 - 3) - 47
+
+22. 42 + 41
+
+23. 88
+
+24. (16 / 89) - 88 * 75 + 65
+
+25. 94 / 21 / 7
+
+26. (33 + 85) + 82 * 84
+
+27. 73 * 86 / 43
+
+28. 82 - 86 * 20 / 92
+
+29. 77 + 82 / 46 - 70
+
+30. 44 * 87 + 9
+
diff --git a/src/data/张三1/2025-09-23-14-30-55.txt b/src/data/张三1/2025-09-23-14-30-55.txt
new file mode 100644
index 0000000..62ba06c
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-55.txt
@@ -0,0 +1,60 @@
+1. (91 / 9) / 93
+
+2. 38 + 54 / 90 / 30
+
+3. 10 / 43 - 36 + 50 - 18
+
+4. 35
+
+5. 59 - 67 * 100 + 39
+
+6. 51 / 44 - 10 * 40 / 25
+
+7. 81 + 64 / 96 - 51
+
+8. 73 / 16
+
+9. 24 - 35
+
+10. 82 - 93
+
+11. 23 / 62 + 58
+
+12. 87 * 31
+
+13. (61 * 67) * 62 * 72
+
+14. (22 - 62) - 41 * 56
+
+15. 63 * 14
+
+16. 18 * 98 - 45
+
+17. 20 + 64 - 24 * 93 * 33
+
+18. 36 + 38
+
+19. 94 - 82
+
+20. 24 - 8 * 1 + 57
+
+21. 10 - 49 - 54 - 90
+
+22. 31 * 66
+
+23. 83
+
+24. 88 / 11 - 54 * 66 * 91
+
+25. (81 * 26) * 83 * 91
+
+26. 66 + 6
+
+27. 37 - 61 * 62 + 14
+
+28. 14 + 21 + 2 * 93 * 8
+
+29. 65 + 49 - 49 / 51 - 27
+
+30. 5 / 53 / 10 - 37 / 95
+
diff --git a/src/data/张三1/2025-09-23-14-30-58.txt b/src/data/张三1/2025-09-23-14-30-58.txt
new file mode 100644
index 0000000..7970730
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-58.txt
@@ -0,0 +1,60 @@
+1. (13 - 36) + 59 * 89 / 13
+
+2. 11 * 31
+
+3. (53 + 85) - 12 / 90 - 61
+
+4. 92
+
+5. 93 * 95
+
+6. (92 / 15) + 54 * 37
+
+7. 90 * 41 + 98 / 70 * 15
+
+8. 6
+
+9. 57
+
+10. 84 - 51
+
+11. 90 * 61
+
+12. 78 * 2 / 5 - 79
+
+13. (68 - 79) / 98 * 7
+
+14. 10 / 28
+
+15. 68 - 88 + 30 + 33 - 46
+
+16. (68 / 18) + 86 - 44
+
+17. 54 * 13
+
+18. 42
+
+19. 71 / 42 * 31
+
+20. 6 * 99 * 67 - 73 / 30
+
+21. 51
+
+22. 54 * 85 / 54 * 85 + 51
+
+23. 66
+
+24. 58 - 81
+
+25. 24 - 16 / 35 / 19
+
+26. 79 * 43 + 16 / 86
+
+27. 47 + 70 + 62 - 88 / 77
+
+28. 37 / 67 + 54 / 27 / 90
+
+29. (89 + 26) * 75 - 25 / 48
+
+30. 95 / 96 / 53 / 74 + 19
+
diff --git a/src/data/张三1/2025-09-23-14-30-59.txt b/src/data/张三1/2025-09-23-14-30-59.txt
new file mode 100644
index 0000000..e7a2fde
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-30-59.txt
@@ -0,0 +1,60 @@
+1. 58
+
+2. 36 / 88 + 75
+
+3. 59 / 4
+
+4. 30 + 43 - 96
+
+5. 86 / 16 - 87 - 89
+
+6. 4 / 20
+
+7. (72 - 56) / 12 / 51
+
+8. 66 * 71 - 73 * 90
+
+9. 89 * 9
+
+10. 6 / 20 / 89 * 61 * 10
+
+11. 57 / 71
+
+12. 99 + 2 * 9 - 17
+
+13. 17 + 47 * 18 * 43
+
+14. (30 * 11) * 74 / 42
+
+15. (85 * 29) + 50
+
+16. (3 * 19) * 49 - 76 - 96
+
+17. 63 + 69 - 54 + 65
+
+18. 77 * 58 + 26 + 25
+
+19. 19 / 95 / 54
+
+20. (54 + 23) + 92 - 85
+
+21. 10 + 17
+
+22. 86
+
+23. (12 - 31) * 96
+
+24. 28 - 9
+
+25. 34 * 93 * 84 - 20 - 17
+
+26. 67 / 45 * 29 * 50 * 15
+
+27. (4 * 60) + 8 - 76
+
+28. 51 + 41 + 6
+
+29. (40 + 77) * 42 * 23 * 14
+
+30. 55 / 55 - 30 - 88 * 30
+
diff --git a/src/data/张三1/2025-09-23-14-31-00.txt b/src/data/张三1/2025-09-23-14-31-00.txt
new file mode 100644
index 0000000..10f3e91
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-00.txt
@@ -0,0 +1,60 @@
+1. 61 * 59 * 6 / 4 * 7
+
+2. 12 - 45 + 96
+
+3. 19 - 78 - 37 + 90
+
+4. 34 / 74 / 1 - 55 * 14
+
+5. 51 / 56
+
+6. 15 + 8 * 18
+
+7. 1 - 31 / 58 - 42 / 20
+
+8. 14 / 18 / 10
+
+9. 97 * 33
+
+10. 87 - 54 / 33 - 73 * 55
+
+11. 89 - 29 - 3 * 11 * 43
+
+12. (99 / 94) + 79
+
+13. 23 * 97 + 46 - 12 - 28
+
+14. (6 * 80) + 37 - 12 * 52
+
+15. 22 / 8 + 8
+
+16. 31 * 19 * 29
+
+17. (72 * 92) / 17 + 38
+
+18. (66 + 45) + 23 + 51
+
+19. 14 - 88 / 76
+
+20. 47 - 6 / 15 + 39
+
+21. 88 * 50 / 83 * 97 + 50
+
+22. 28 * 17 + 5 - 75 / 21
+
+23. 34 + 86
+
+24. 19 / 65
+
+25. (14 / 58) + 86 / 9 * 92
+
+26. 55 / 60 - 69 + 94 * 4
+
+27. 73
+
+28. 43 / 39 + 26 * 30
+
+29. (55 + 70) + 79
+
+30. 2 / 31
+
diff --git a/src/data/张三1/2025-09-23-14-31-01.txt b/src/data/张三1/2025-09-23-14-31-01.txt
new file mode 100644
index 0000000..065d1b9
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-01.txt
@@ -0,0 +1,60 @@
+1. 68 + 89 + 91
+
+2. 85 * 3 * 28 + 57 + 53
+
+3. 43 / 49 - 82 * 85 - 23
+
+4. 26 * 29 + 91
+
+5. 64
+
+6. 1 / 84 / 33 * 57 * 75
+
+7. 97 + 6 / 45
+
+8. 47 - 55 * 54 - 69 - 97
+
+9. 21 + 43
+
+10. (39 + 7) + 10
+
+11. 64 * 53 - 44 * 99
+
+12. (45 + 7) + 87 * 50
+
+13. 37 / 15 + 98 / 56 - 18
+
+14. 61
+
+15. (46 / 31) * 42
+
+16. 74 - 15 * 90
+
+17. 60 / 100 - 14 / 14
+
+18. 70 + 78 - 58 * 84 + 100
+
+19. (70 + 20) / 63 + 26
+
+20. 80 - 10
+
+21. (26 - 77) / 88 + 52 * 81
+
+22. 19 + 44
+
+23. 67 / 10 * 70 - 44
+
+24. 56 + 46 / 32 + 50 - 34
+
+25. 53 - 52
+
+26. 33 + 46 + 80 + 72
+
+27. 88 + 35 / 6
+
+28. 21 - 90 - 20 / 91 / 73
+
+29. 15 / 15
+
+30. 90 + 60 - 30
+
diff --git a/src/data/张三1/2025-09-23-14-31-03.txt b/src/data/张三1/2025-09-23-14-31-03.txt
new file mode 100644
index 0000000..1b28136
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-03.txt
@@ -0,0 +1,60 @@
+1. 77 - 29 * 86 + 61 * 91
+
+2. (14 + 78) + 60 + 81
+
+3. 95 - 61 - 95
+
+4. 83 * 66
+
+5. 81 - 9
+
+6. 78 / 72 / 6 + 30 / 71
+
+7. (94 * 94) + 85 + 23
+
+8. 93 * 6
+
+9. 71
+
+10. 99 - 29 * 79 * 76 - 16
+
+11. 59 - 39 - 51
+
+12. 59 - 51 / 46
+
+13. 85 / 49
+
+14. 28
+
+15. 25 - 25 * 74 - 63 / 77
+
+16. 63 + 80
+
+17. 66 * 62 - 7
+
+18. 95 / 75 * 66 + 30
+
+19. 28 * 64 / 39 * 40 - 10
+
+20. 86 * 41 * 26 - 24
+
+21. 99
+
+22. 23 * 47 + 38
+
+23. 81
+
+24. 68 + 42 * 91
+
+25. (88 - 71) * 8 - 53
+
+26. 51 / 44
+
+27. 94 / 20
+
+28. 10 - 4 / 63 / 2
+
+29. (36 + 59) * 74
+
+30. 78 / 80 + 44 / 95
+
diff --git a/src/data/张三1/2025-09-23-14-31-04.txt b/src/data/张三1/2025-09-23-14-31-04.txt
new file mode 100644
index 0000000..29404a3
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-04.txt
@@ -0,0 +1,60 @@
+1. 2
+
+2. 11 * 26 + 9
+
+3. (79 + 14) + 4
+
+4. 61 * 40 * 89 / 6 * 48
+
+5. 6 / 67 * 91
+
+6. (71 * 40) - 88
+
+7. 61 * 86
+
+8. 79 * 45 / 46
+
+9. 3 / 85 * 38 / 90
+
+10. (52 * 43) / 89
+
+11. 32 * 68
+
+12. 91
+
+13. 26 * 38 + 88
+
+14. 57 / 60 * 82 / 38 + 62
+
+15. 95
+
+16. 16 / 91 + 75
+
+17. 88 + 82 + 39 - 63 / 25
+
+18. 63
+
+19. 30 + 63 * 18 / 55 + 32
+
+20. (51 * 53) + 2 - 47 * 67
+
+21. (48 * 81) + 56 - 14 - 92
+
+22. 24
+
+23. 45 / 36
+
+24. 50 * 15 * 86
+
+25. 79 + 2 - 69
+
+26. 32 / 49
+
+27. (45 * 22) * 66
+
+28. 53
+
+29. 13 / 55 / 59 / 70
+
+30. 74 / 78
+
diff --git a/src/data/张三1/2025-09-23-14-31-05.txt b/src/data/张三1/2025-09-23-14-31-05.txt
new file mode 100644
index 0000000..ca2fdc0
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-05.txt
@@ -0,0 +1,60 @@
+1. 16 / 52 - 33
+
+2. 25 - 41 - 17 * 59
+
+3. 86 / 12 * 11 + 57
+
+4. 18 + 64 + 97
+
+5. (44 + 90) - 56 + 74
+
+6. 49 - 34 / 84
+
+7. 9 / 47
+
+8. (76 - 87) / 14 * 29
+
+9. 34 - 93 + 27 - 58
+
+10. 41 / 96 / 46
+
+11. (35 / 74) + 6
+
+12. 72 + 36 - 44 + 98
+
+13. 15 * 72 - 30 - 70 / 96
+
+14. 100 - 67
+
+15. 77 * 40 * 30 + 17
+
+16. 79 / 22
+
+17. 85 / 8 + 80
+
+18. 2 / 17 - 79 - 6
+
+19. 8 + 10 / 67
+
+20. 40 - 82 - 79 + 44
+
+21. 44 / 99 / 18 / 33 - 93
+
+22. 12 - 34 * 24
+
+23. 21 - 79
+
+24. 56 + 8 + 20 - 17
+
+25. 79 * 87 + 23
+
+26. 50 + 36 - 88 * 16 + 7
+
+27. 66 / 60 * 30
+
+28. 90 - 44 - 84
+
+29. 100 + 54
+
+30. 15 + 65 / 69 - 82
+
diff --git a/src/data/张三1/2025-09-23-14-31-07.txt b/src/data/张三1/2025-09-23-14-31-07.txt
new file mode 100644
index 0000000..0c7f772
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-07.txt
@@ -0,0 +1,60 @@
+1. (75 - 53) / 95 * 30 + 18
+
+2. 51 + 48 - 70
+
+3. 58 - 73 * 4
+
+4. 19
+
+5. 94 * 85 - 76
+
+6. 78
+
+7. 22 / 36
+
+8. 10 / 99 + 15 * 97 * 86
+
+9. 58 / 70
+
+10. 17 / 90 - 76 * 19 * 45
+
+11. 19 - 1 + 59 + 99 + 1
+
+12. 70 * 98 / 15 * 5 - 72
+
+13. 80
+
+14. 77
+
+15. 36 + 35 + 47 - 76
+
+16. 91 - 61 - 10
+
+17. 66 * 34 - 7 + 40 * 92
+
+18. 29 - 36 - 72
+
+19. 72 - 69 * 58
+
+20. 17 * 68 / 27 + 67 * 75
+
+21. 19 + 89 * 52 / 5
+
+22. 18 + 47 + 60 - 22
+
+23. (46 + 32) - 5 / 32 / 95
+
+24. 82 * 65
+
+25. 33 - 87 * 47 + 33
+
+26. 22 - 10 / 15 * 58 * 5
+
+27. 82 * 44 + 41 - 29
+
+28. 5 * 47 * 14 / 55
+
+29. 88 * 63 - 74
+
+30. 36 / 8 - 84
+
diff --git a/src/data/张三1/2025-09-23-14-31-09.txt b/src/data/张三1/2025-09-23-14-31-09.txt
new file mode 100644
index 0000000..3c4a476
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-09.txt
@@ -0,0 +1,60 @@
+1. (71 + 82) / 8 / 92 / 43
+
+2. 69 + 76 * 84 - 29 + 25
+
+3. (7 + 50) - 43
+
+4. 11 + 65
+
+5. 90 - 100 + 60 - 79 + 85
+
+6. 3 / 93 * 99
+
+7. (84 / 32) + 49
+
+8. 95 + 80 / 30 - 76
+
+9. (5 - 33) / 30 + 39
+
+10. (98 / 12) / 68 / 76
+
+11. 58 * 6
+
+12. 98 - 98
+
+13. 94
+
+14. (48 + 70) - 20 / 66 * 98
+
+15. 34 - 92
+
+16. 51 * 35 - 33
+
+17. (65 * 79) / 32
+
+18. (72 / 71) + 62 * 36 + 31
+
+19. 74 - 18
+
+20. 38 / 91 / 11 * 49
+
+21. 34 - 28 * 77 / 63
+
+22. 13 + 14 / 66 - 15 * 91
+
+23. 36 / 55 * 95
+
+24. 49 + 90 / 54 + 69 / 43
+
+25. 2 - 53 / 28 / 11
+
+26. 17 * 90 + 76 / 89 + 46
+
+27. 85
+
+28. 30 * 64 + 29 + 25
+
+29. 55 / 8 - 100 - 31 - 25
+
+30. 4 + 69 - 62
+
diff --git a/src/data/张三1/2025-09-23-14-31-10.txt b/src/data/张三1/2025-09-23-14-31-10.txt
new file mode 100644
index 0000000..2c09929
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-10.txt
@@ -0,0 +1,60 @@
+1. 11 - 80 * 58
+
+2. 85 - 30 - 65 * 55 / 36
+
+3. 27 * 20 + 40 * 27 * 26
+
+4. 6 * 7
+
+5. (37 * 32) / 57 / 89
+
+6. (93 - 76) - 32
+
+7. 12 / 21 / 21 + 95
+
+8. 1 / 86 * 43
+
+9. (82 * 89) - 4
+
+10. 4 * 69 + 26
+
+11. 90 - 10 * 50 * 43
+
+12. 96 + 21 - 69
+
+13. 69 - 44
+
+14. 62 * 29 * 79
+
+15. (47 + 16) * 17 * 81 / 36
+
+16. 19 - 70 + 70
+
+17. (8 / 38) * 91 - 82
+
+18. 98 + 82
+
+19. (28 * 6) - 37
+
+20. 27
+
+21. 67 / 75 * 89 - 56
+
+22. 63 + 15 - 65 / 99 + 58
+
+23. (7 + 34) - 82 - 72 - 36
+
+24. 26 + 74
+
+25. 22 + 69 + 16 * 19
+
+26. 68 / 19 + 98
+
+27. 78 * 28 - 90 + 88
+
+28. (17 + 96) * 62 - 4
+
+29. 18 / 1 * 78 + 41 - 19
+
+30. 47 * 20
+
diff --git a/src/data/张三1/2025-09-23-14-31-11.txt b/src/data/张三1/2025-09-23-14-31-11.txt
new file mode 100644
index 0000000..7d2ffd5
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-11.txt
@@ -0,0 +1,60 @@
+1. (80 / 51) * 27 / 32
+
+2. 76
+
+3. 43 * 69 * 36
+
+4. 25 - 3 * 65
+
+5. 74 * 73 * 7 + 28
+
+6. 52 - 65
+
+7. 77 - 82 + 17 - 64 - 87
+
+8. 15 * 78
+
+9. (96 / 2) / 13 / 38 * 85
+
+10. 23 * 22 + 70 - 14
+
+11. 93 * 10
+
+12. 47 / 33 / 5 - 67
+
+13. 34 + 99
+
+14. 58 + 39 / 83 - 65
+
+15. 34 * 81
+
+16. (23 / 4) + 96
+
+17. 57 - 57 + 81
+
+18. (100 / 30) / 17 + 25 / 67
+
+19. 57 - 96
+
+20. 14 * 50 - 89 + 85 - 50
+
+21. 2 * 59 / 48 / 61 + 41
+
+22. 16 * 1 + 87 + 94
+
+23. (5 / 12) - 14 * 1 * 27
+
+24. 47 * 4
+
+25. (19 * 71) / 97 * 21 - 97
+
+26. 53 - 66 - 13 / 37 + 53
+
+27. 71 + 62 - 81 - 88
+
+28. 56 + 38
+
+29. 75 - 60 * 58
+
+30. 3 + 37 - 56 / 41 + 75
+
diff --git a/src/data/张三1/2025-09-23-14-31-12.txt b/src/data/张三1/2025-09-23-14-31-12.txt
new file mode 100644
index 0000000..4d7b443
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-12.txt
@@ -0,0 +1,60 @@
+1. 76 + 13 - 61 + 27 + 91
+
+2. 28 / 79 / 12
+
+3. 3 - 17
+
+4. 53 - 75 - 26
+
+5. 41 - 14 * 76
+
+6. 61 - 94 + 60
+
+7. 77 / 5 + 39 / 55 - 100
+
+8. (87 * 69) - 47
+
+9. 92 / 61 + 39 / 38
+
+10. (44 / 67) - 53
+
+11. (41 + 86) - 59 * 53
+
+12. 50 / 83 * 77 - 59
+
+13. (84 * 41) * 9 + 74
+
+14. (86 * 36) / 36 + 98
+
+15. 73 + 92 + 55
+
+16. 12 / 100 + 53
+
+17. (17 / 24) + 42 * 20 * 99
+
+18. 43
+
+19. 56 / 99 / 16 * 75 * 51
+
+20. 99 * 22 / 35
+
+21. 3 * 25 / 11 / 73 / 17
+
+22. (19 * 58) + 38
+
+23. 68 * 79 / 54 + 52 + 69
+
+24. 52
+
+25. 33 * 100
+
+26. (26 - 23) * 8 * 21 - 41
+
+27. 21 + 91
+
+28. 87 + 29
+
+29. 72 - 18 * 80
+
+30. 59 + 82
+
diff --git a/src/data/张三1/2025-09-23-14-31-13.txt b/src/data/张三1/2025-09-23-14-31-13.txt
new file mode 100644
index 0000000..1da24bb
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-13.txt
@@ -0,0 +1,60 @@
+1. 9 / 5
+
+2. 63 - 13
+
+3. 6 * 22 / 58 / 69 / 49
+
+4. 78 * 75 + 59 / 39 / 91
+
+5. 44 / 13 / 70 + 48 / 74
+
+6. 68 - 39
+
+7. 97
+
+8. 38 - 16 - 57 - 46 / 53
+
+9. 42 + 98 - 2 / 85 / 54
+
+10. 92 + 66
+
+11. 7 - 81 + 13 / 14 + 42
+
+12. 100 / 27 + 80 + 54 + 61
+
+13. 51 / 18 * 70
+
+14. 11 - 51 - 94 + 34
+
+15. (74 - 54) + 42 * 91 - 88
+
+16. 36 - 19 / 29
+
+17. 51 - 14 / 96 * 43
+
+18. 32 * 73
+
+19. 2 / 38 - 48 + 95 - 76
+
+20. 24 - 95 * 62 / 52
+
+21. 86 * 58 / 97 / 72 * 4
+
+22. 64 - 35 + 100
+
+23. (34 / 62) * 99 - 42
+
+24. (25 - 84) * 76 / 16 / 60
+
+25. 15
+
+26. 15 / 89
+
+27. 89 / 98
+
+28. 14 * 73 * 25
+
+29. (69 + 30) * 41 + 87 * 52
+
+30. 72 + 56 + 100
+
diff --git a/src/data/张三1/2025-09-23-14-31-14.txt b/src/data/张三1/2025-09-23-14-31-14.txt
new file mode 100644
index 0000000..a0102d4
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-14.txt
@@ -0,0 +1,60 @@
+1. 7 - 77 * 40
+
+2. (47 + 12) + 84 * 39 + 81
+
+3. (9 + 22) * 12 + 19
+
+4. 86 / 22
+
+5. (84 - 63) * 24 + 12
+
+6. 55 + 9
+
+7. 62 / 86 - 84 * 9 - 87
+
+8. 13 - 71
+
+9. 63 - 1 * 5
+
+10. 18 + 67 - 22
+
+11. 37 + 90 + 7
+
+12. 76 * 77 * 4 / 99
+
+13. 92 + 6 + 51 + 58 * 25
+
+14. 54 - 94
+
+15. 100 + 15 + 27 / 14
+
+16. 51 / 35 + 79 * 78 * 13
+
+17. 95 / 62 + 31
+
+18. 43 - 51 * 93 + 66
+
+19. 65 - 87
+
+20. (33 / 21) - 87
+
+21. 93 + 95 - 63 + 99 / 27
+
+22. 64 - 97
+
+23. 26 * 8 - 21
+
+24. 57 * 10 + 19 / 31 * 45
+
+25. 90 - 60
+
+26. 42 / 56
+
+27. 17 + 95 + 41 * 100 / 43
+
+28. 49 / 30 / 68
+
+29. 62 + 35 - 25
+
+30. 59 + 7 - 98 + 20
+
diff --git a/src/data/张三1/2025-09-23-14-31-16.txt b/src/data/张三1/2025-09-23-14-31-16.txt
new file mode 100644
index 0000000..14beddb
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-16.txt
@@ -0,0 +1,60 @@
+1. 97 * 24 * 72 - 86 + 3
+
+2. 25 - 22 - 93 * 90
+
+3. 2 - 95 + 14
+
+4. 80 - 41
+
+5. 65 / 59
+
+6. 45 + 94 / 17 + 67 * 84
+
+7. (8 - 30) - 8
+
+8. 67 * 28 + 81 + 37
+
+9. (8 / 4) - 64 / 14
+
+10. 55 * 94
+
+11. 24 / 91
+
+12. 53 - 28 * 96 * 92
+
+13. 2 / 57 / 58 - 71
+
+14. 74 + 26 - 92 * 100
+
+15. (20 - 3) / 36 + 59
+
+16. 84
+
+17. 66 * 26 - 19 - 50 + 43
+
+18. 65 + 6 - 36
+
+19. 41 / 44 + 76
+
+20. 76 * 17 * 53
+
+21. 26 * 90 / 32
+
+22. (78 - 83) - 9 - 89
+
+23. 83 - 100 + 94 * 19
+
+24. 61 - 98
+
+25. 32 + 88 * 99
+
+26. (92 * 28) * 28 / 51 + 88
+
+27. 10 - 17
+
+28. (93 - 50) * 53 - 53 - 72
+
+29. 70
+
+30. 60 * 44
+
diff --git a/src/data/张三1/2025-09-23-14-31-17.txt b/src/data/张三1/2025-09-23-14-31-17.txt
new file mode 100644
index 0000000..0910680
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-17.txt
@@ -0,0 +1,60 @@
+1. 79 * 49 + 63 / 33
+
+2. 16 / 96 - 14 * 85 * 74
+
+3. 26 + 64 - 48 / 36 * 23
+
+4. 2 - 58
+
+5. 20
+
+6. 10
+
+7. 20 / 24
+
+8. 41 + 93 + 88
+
+9. 23 - 58 + 41 * 4 - 42
+
+10. 23 + 8 / 18 / 73 + 59
+
+11. 19 * 22
+
+12. 88 / 68 - 10
+
+13. 74 / 80 / 67 / 66 - 76
+
+14. 6 - 50 + 7 + 64
+
+15. 3 / 39
+
+16. 1 / 23 * 7
+
+17. 96 + 45
+
+18. 56 - 51 / 92
+
+19. 66 * 56 / 74 * 86
+
+20. 94 - 77 + 73 - 18
+
+21. 90 / 26
+
+22. 63 / 62
+
+23. 89 - 66
+
+24. (51 / 50) / 86 - 61
+
+25. 78 - 83 + 75
+
+26. 74 * 89 / 58 - 68 / 25
+
+27. 33 / 35
+
+28. 74 + 64 / 46
+
+29. (5 + 24) - 3
+
+30. 54
+
diff --git a/src/data/张三1/2025-09-23-14-31-19.txt b/src/data/张三1/2025-09-23-14-31-19.txt
new file mode 100644
index 0000000..c637ca6
--- /dev/null
+++ b/src/data/张三1/2025-09-23-14-31-19.txt
@@ -0,0 +1,60 @@
+1. 89 + 44 + 65
+
+2. (86 / 7) - 44
+
+3. 23 / 86
+
+4. 94 * 56 * 90
+
+5. (35 + 88) + 88 / 92 - 64
+
+6. 10 - 67 / 28 * 12
+
+7. 41 - 93 / 40
+
+8. 68 / 19 / 64 + 75
+
+9. 41 * 68
+
+10. 74 + 62 - 76 - 4
+
+11. 86 + 47 - 8 + 31 * 6
+
+12. 83 * 99
+
+13. 44 + 85 * 91 + 23
+
+14. 5 - 47 / 82
+
+15. (37 / 78) + 91
+
+16. 27 + 82 / 27 * 87
+
+17. 17 - 98 * 73 * 85 - 98
+
+18. 89 * 74 * 5 + 97
+
+19. 31 / 32 + 16 - 17
+
+20. 60 + 46
+
+21. 93 * 59
+
+22. 70 / 4
+
+23. (9 / 35) - 45
+
+24. 90 - 79 + 4 + 93
+
+25. (74 - 83) * 35 * 100
+
+26. 4 + 57
+
+27. 40 + 52
+
+28. 28 + 60
+
+29. 86 * 84 * 87 + 89 * 13
+
+30. 12 / 7
+
diff --git a/src/data/李四1/2025-09-23-10-22-28.txt b/src/data/李四1/2025-09-23-10-22-28.txt
new file mode 100644
index 0000000..82a18f3
--- /dev/null
+++ b/src/data/李四1/2025-09-23-10-22-28.txt
@@ -0,0 +1,56 @@
+1. sqrt(89) * 64
+
+2. 15 * 45 + 41 / (66)^2
+
+3. 22 + sqrt(98)
+
+4. 13 / (23)^2 - 62 * 32 / 75
+
+5. (70)^2
+
+6. sqrt(22) - 8 + 62 - 26 + 28
+
+7. (1)^2
+
+8. (93)^2
+
+9. 62 - 69 / 93 / (52)^2
+
+10. (50 * 42) - (82)^2
+
+11. sqrt(100) * 24
+
+12. 29 + 2 * 23 + 65 - sqrt(20)
+
+13. 52 * 22 / 24 / sqrt(29) - 50
+
+14. 73 * 75 / sqrt(32)
+
+15. (sqrt(7) - 91) - 76
+
+16. 64 - 81 - sqrt(75) * 35 - 92
+
+17. 38 * sqrt(39) - 95 / 58
+
+18. (31 - 71) - (89)^2 / 66
+
+19. (68 * 25) / 78 - sqrt(49)
+
+20. (17)^2 * 35
+
+21. 20 / (46)^2 - 97
+
+22. 9 - (91)^2 - 55 * 88 + 59
+
+23. sqrt(67)
+
+24. sqrt(90) + 65 + 92
+
+25. (86)^2
+
+26. 43 + 85 * sqrt(73)
+
+27. 55 - (94)^2
+
+28. sqrt(34) / 51 - 25 / 4
+