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汉语拼音：jiǎn fǎ

数学中的一种运算方法。最简单的是数的减法，即从一个数减去另一个数的计算方法。

• I looked at what he'd given me and did a quick subtraction.

  我看着他给我的东西，快速做了个减法。

• The difference is found by subtraction.

  用减法得出差额.

• The plus sign is used in addition and the minus is used in subtraction.

  加号用于加法;减号用于减法.

• 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.

• You must learn to add and subtract in arithmetic.

  学算术要学会加法和减法.

• Their first device could add, subtract, multiply and divide.

  他们的最初设计是可以计算加法 、 减法 、 乘法和除法.

• Can we use the tricks in subtractions? Let's look at example 3.

  、师:在减法中能不能用简便算法 呢 ?试一试.

• 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.

• The pupil could add and subtract but hadn't learned to divide.

  这名小学生能做加法和减法,但还没学会做除法.

• 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.

• Children should be able to add and subtract in the third grade.

  孩子们应该在三年级的时候学会加法和减法.

• 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.

• The little boy can add, subtract and multiply, but cannot divide.

  那小男孩会做加法 、 减法和乘法, 但不会做除法.

• Input data between the three - digit 0 - 9, start running, by one per second.

  定时减法计数.输入数据0到9之间三位数, 开始计时, 每秒减一.

• Students who cannot even do simple addition and subtraction.

  学生甚至不会做简单的加法和减法.