由计算机来当一年级的算术老师,要求给出一系列的1-10的操作数和四则运算符,计算机根据学生的答案判断正确与否,当结束时给出成绩.-by computer to become a grade arithmetic teacher. asked a series of 1-10 is the operation and the number four Operators, the computer according to the students the answer is right or no