只能使用四个二元算术运算符(加、减、乘、除)。

Only the four usual binary arithmetic operations (addition, subtraction, multiplication and division) are allowed.

youdao

只能使用四个二元算术运算符(加、减、乘、除)。

Only the four usual binary arithmetic operations (addition, subtraction, multiplication and division) are allowed.

youdao