-2.25+[4*(-16分之3)-(8分之7-0.857)]=
人气:116 ℃ 时间:2020-02-06 01:42:23
解答
-2.25+[4*(-16分之3)-(8分之7-0.857)]=
=-2.25+(-4分之3)-0.018
=-(2.25+0.75)-0.018
=-3-0.018
=-3.018
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