1.为小学生出题（分别进行＋、－、*、÷等不同运算）

2.学生做题后，进行评阅；

3.学生每做一题后，评阅时给出“答题正确，很好”或“答题错误，重做”等字样；

4.加、减、乘、除运算功能可以自由选择实现；

5.运算数值可以控制在两位（或三位）数的四则运算范围内。

-Questions for primary school students (respectively+,-,*, different computing) students do title, reviewers　3 students each do one question, when reviewers give the " correct answers, very good " or"　clickers error, redo the words　4 plus, minus, multiplication, and division operations can freely choose to achieve　5. operand values ​ ​ can be controlled in four operational range of the number two (or three).