（英译汉） Subtraction is one of the four basic arithmetic operations, it is the inverse of addition. Subtraction is denoted by a minus sign in infix notation.
举一反三
- Subtraction is the ______ operation of addition.
- The addition and subtraction of vectors must be in the same length.
- The addition and subtraction of vectors must be in the same length. A: 正确 B: 错误
- Which of the following is not a binary operation on n? A: subtraction B: division C: addition D: multiplication
- 数字减影血管造影基于（ ）运算What operation does digital subtraction angiography use A: 加法Addition B: 减法Subtraction C: 乘法Multiplication D: 除法division