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27*4*25/5和444/6/37*2的简便算法
人气:144 ℃ 时间:2020-06-08 17:16:07
解答
27*4*25/5
=27*(4*5)
=27*20
=540
444/6/37*2
=444/(6*37)*2
=444/222*2
=2*2
=4
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