数学问题应用好吗递等式俺帮我妹妹的我妹妹 - 知识问答

数学问题应用好吗递等式俺帮我妹妹的我妹妹数学差

1个回答

9.36×64.5+3.65×93.6-9.36
=9.36×64.5+36.5×9.36-9.36
=9.36×﹙64.5+36.5-1﹚
=9.36×100
=936
(9.5-9.5×0.6)÷0.25
=9.5×﹙1-0.6﹚÷0.25
=9.5×0.4÷1/4
=3.8×4
=15.2
8÷﹙7-5﹚=4
4×7=28
一共取了4次,红球和绿球原来各有28个

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