subtraction是什么意思？

subtraction

英[səb'trækʃn] 美[səbˈtrækʃən]

• n. 减，减法，减除法，减去；

复数：subtractions;

动词：subtract;

例句

• 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.
• The difference is found by subtraction. 用减法得出差额.
• 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。
• 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。
• ...using concrete objects to teach addition and subtraction. 用实物来教加减法
• ...simple addition and subtraction problems. 简单的加减题

柯林斯高阶英汉双解学习词典释义

• VERB
  减;减去
  If you subtract one number from another, you do a calculation in which you take it away from the other number. For example, if you subtract 3 from 5, you get 2.
  例句
  Mandy subtracted the date of birth from the date of death... 曼迪用去世的日期减去出生的日期。 We have subtracted $25 per adult to arrive at a basic room rate. 我们已给每位成人房客减去了 25 美元，这就是基本的房费价格了。

英汉词典释义

• n.
  减, 减法
  The difference is found by subtraction. 用减法得出差额。

英英词典释义

• Noun
  1. an arithmetic operation in which the difference between two numbers is calculated;
  "the subtraction of three from four leaves one""four minus three equals one"
  2. the act of subtracting (removing a part from the whole);
  "he complained about the subtraction of money from their paychecks"

行业词典

• 数学： 减法；
  法律： 不履行义务；