The lines shown in these figures were fitted by the method of least squares.

The teacher hammered away at the multiplication tables.

老师一再朗读乘法表.

A commonly used microcomputer algorithm for multiplication.

微型计算机一种常用的乘法算法.

He learned to multiply at the age of five.

他五岁学会做乘法.

The register used to contain a multiplier in multiplication and the quotient in division.

在乘法运算中存放乘数,在除法运算中存放商的一种寄存器.

The rule of product can also be generalized to situations involving more than two events.

乘法原理也可以推广到多于两个事件的情况.

Our teacher used to drum our multiplication tables into us.

我们老师过去老是让我们反覆背诵乘法表.

The teacher hammers away at the multiplication tables.

老师反复地念诵乘法表.

He is learning his tables.

他正在背乘法表.

Several Methods: Were used for multiplication.

作乘法有几种方法.

In a subtraction operation, the number or quantity subtracted from the minuend.

在减法运算中, 从被减数减去的那个数或量.

There will be simple tests in addition, subtraction, multiplication and division.

会有对加、减、乘、除运算的简单测试。

We do addition and subtraction in arithmetic.

在算术里,我们作加减运算.

Addition, subtraction, multiplication, and division are binary operations.

加 、 减 、 乘 、 除都是二元运算.

The simple arithmetic operations are addition, subtraction, multiplication, and division.

简单的算术运算是加法 、 减法 、 乘法和除法.

And the circuit for moving eyes left does mental subtraction.

而控制眼球左转的脑回路同时也负责心算减法.

An approach to speech-sound enhancement is proposed based on the spectral subtraction.

摘要提出了一种基于谱减法的语音增强算法.

Students who cannot even do simple addition and subtraction.

学生甚至不会做简单的加法和减法.

Typical operations are addition, subtraction, multiplication, division, and square root.

典型的操作是加 、 减 、 乘 、 除和平方根的计算.

Mum: Have you learned addition , subtraction, multiplication , and division, Lucy?

妈妈: 露西,你学了加减乘除了 吗 ?

They made a subtraction of 50 dollars from my salary.

他们从我的薪水里扣除了五十美元.