小学生加减法程序 用C语言外加DOS界面解决简单的加减乘除问题-Students add and subtract program interface with the C language plus DOS problem solving simple calculation

小学生数学测验系统c语言程序 要求运用加减乘除四则运算，输入登录ID:形如AB1234后进入选择界面：1、答题2、查看往次成绩3、退出。要求所有数小于一百且都为整数。随机生成数字。-Primary school math test system c language program requires the use of addition, subtraction four operations, enter the login ID: shaped like AB1234 into the

小学生算术练习题自动生成器 自动生成自定义范围内的加减乘除算术式子 然后进行四则混合运算的练习-Elementary arithmetic exercises automatic generator automatically generates a custom range of arithmetic formula of addition, subtraction, multiplication, and division Then four mixed operation practice