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减法

维基百科,自由的百科全书

5 − 2 = 3
5 − 2 = 3

减法是一种算术运算,代表从合集中移除对象,可视为“加法的逆运算”。减法的结果称作。减法是符号是减号()。合称四则运算

在数式里,称为被减数称为减数

减去一个数等于上这个数的相反数。若果被减数小于减数,得出来的差将会是负数

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减法
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