n. 减,减法;减除法;减去
网络 减去; 减法运算; 相减
She´s ready to learn simple addition and subtraction.
她准备学习简单的加法和减法。
There will be simple tests in addition, subtraction, multiplication, and division.
将会有加减乘除的简单测试。
We can use the magic of subtraction.
我们可以利用减法的魔力。
Not long ago, researches learned that four-day olds could understand addition and subtraction.
不久前,研究人员发现4天大的婴儿能够理解加减法。
This service is a simple math calculation service, providing addition and subtraction operations.
该服务是一个简单的数学计算服务,提供了加法和减法运算。