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0.625*(8.3-2.5*0.12)
简便计算
人气:453 ℃ 时间:2020-03-02 07:20:57
解答
0.625*(8.3-2.5*0.12)
=0.625*(8.3-10*0.12/4)
=0.625*8
=(5/8)*8
=5
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