六分之五减二分之一等于多少?
六分之五减二分之一等于多少?
数学人气:857 ℃时间:2019-08-22 18:21:27
优质解答
异分母分数相加减,要通分(就是把分母化成一样),所以1/2乘以3得3/6,5/6减3/6就是2/6
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