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5分之1减8分之1等于几

更新时间: 2020-10-03 00:00:00     

根据分数减法的运算法则,在计算5分之1减8分之1时,首先应当将分数化分为一样的数字,然后将分子进行相减即可。将分数5分之1化分为40分之8,将分数8分之1化分为40分之5,即5分之1减8分之1等于40分之8减40分之5,求得结果为40分之3。

分数减法的运算法则:

1、同分母分数相减,分母不变,分子相减,最后要化成最简分数。

2、异分母分数相减,先通分,再按同分母分数相减法去计算,最后要化成最简分数。

关键词: 分之 等于

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