diff --git a/学籍管理系统 步骤2.c b/学籍管理系统 步骤2.c
new file mode 100644
index 0000000..39fab86
--- /dev/null
+++ b/学籍管理系统 步骤2.c	
@@ -0,0 +1,26 @@
+#include<stdio.h>
+
+struct stu_info
+{
+	int num;
+	float math,physics,english,sum;
+} 
+stu[3];
+
+int main()
+{
+	int i;
+	for(i=0;i<3;i++)
+	{
+		scanf("%d",&stu[i].num);
+		scanf("%f",&stu[i].math);
+		scanf("%f",&stu[i].physics);
+		scanf("%f",&stu[i].english);
+		stu[i].sum=stu[i].math+stu[i].physics+stu[i].english;
+	}
+	for(i=0;i<3;i++)
+	{
+		printf("%d  %.1f  %.1f  %.1f\n",stu[i].num,stu[i].math,stu[i].physics,stu[i].english,stu[i].sum);
+	}
+	return 0;
+}