These are the canonical, mathematical operations add, subtract, multiply, and divide.
它们是规范的数学操作：加、减、乘、除。
What do you say we go back to my room and do some math: Add a bed, subtract our clothes, divide your legs, and multiply?
和我去我房间做数学怎么样：加一张床，减去我们的衣服，除去你的腿，然后相乘。
T: Now pick two number between one and ten, including decimal numbers and fractions, then add, subtract, multiply or divide them as you like.
现在从1到10之间挑选两个数，包括小数和分数，然后随意进行加、减、乘、除运算。
Children should be able to add and subtract in the third grade. By the end of fifth grade, they should be able to multiply and divide.
孩子们应该在三年级能够进行加、减法运算，在五年级结束时能够进行乘、除法运算。
What do you say we go back to my room and do some math: Add a bed, subtract our clothes, divide your legs, and multiply.
和我去我房间做数学怎么样：加一张床，减去我们的衣服，除去你的腿，然后相乘。
Do you know the signs for add, subtract, multiply, and divide?
你知道加减乘除的符号吗？
Many people use small computers called calculators to add, subtract, multiply, and divide numbers quickly.
很多人用叫做计算器的小计算机进行加，减，乘，除的快速运算。
A formulais an equation that performs a calculation. Like a calculator, Excel can execute formulas that add, subtract, multiply, and divide.
公式是一个方程，能够进行计算，就像计算器，Excel可以执行简单的加，减，乘，除运算。
A formulais an equation that performs a calculation. Like a calculator, Excel can execute formulas that add, subtract, multiply, and divide.
公式是一个方程，能够进行计算，就像计算器，Excel可以执行简单的加，减，乘，除运算。
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