=8/17×(1-14/31)
=8/17×17/31
=8/31
8/17-14/31×8/17 分数的简便运算
8/17-14/31×8/17 分数的简便运算
8/17-14/31×8/17 怎么简便运算?
8/17-14/31×8/17 怎么简便运算?
数学人气:170 ℃时间:2019-12-08 04:43:51
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