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x加2分之912这道题怎么做

更新时间: 2020-09-19 00:00:00     

先约去分母,等式两边同时乘以二,得二x加九等于二十四,再进行移项,把加九移到等式右边,右边变为二十四减九,得二x等于十五,最后解得x等于二分之十五。

关键词: 分之 怎么

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