负1.53乘0.75加0.53乘4分之3减3.4乘0.75

发布时间:2020-07-27 10:55:36

如上

网友回答

=-1.53*0.75+0.53*3/4 - 3.4*0.75
=-1.53*0.75+0.53*0.75 - 3.4*0.75
=(-1.53+0.53 -3.4)*0.75
=-4.4*0.75
=-4.4*3/4
=-3.3
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