package mathlearning.service.QuestionGenerator;

public class PrimaryGenerator extends  QuestionGenerator{
    public PrimaryGenerator() {
        super("小学");
    }

    @Override
    public String generateQuestion() {

        int operandCount = random.nextInt(4) + 2;

        // 生成操作数
        int[] operands = new int[operandCount];
        for (int i = 0; i < operandCount; i++) {
            operands[i] = random.nextInt(100) + 1; // 1-100
        }

        String question =  preForOper(operands);
        return addParen(question);
    }
}