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4.5*11.1*4.8/(33.3*0.8*0.9)这道题怎样简算?
人气:155 ℃ 时间:2019-11-02 07:48:30
解答
4.5*11.1*4.8/(33.3*0.8*0.9)
=1.5*11.1*4.8/(11.1*0.8*0.9)
=1.5*11.1*6/(11.1*1*0.9)
=11.1*9/(11.1*1*0.9)
=10
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