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1减百分之50等于多少
更新时间: 2020-09-21 00:00:00  

1减百分之50等于百分之50,换算成数字是零点五。减法是基本的算术运算,从一个数量中减去另一个数量的运算叫做减法,其结果成为差,已知两个加数的和与其中一个加数,求另一个加数的运算叫做减法。减号前面的数是被减数,减号后面的数是减数,等于号后面的数是差。

关键词: 百分之 等于 多少

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