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5/8*370+625*0.64-6025简便运算
人气：356 ℃　时间：2019-12-06 04:26:48
解答
应该是5/8*370+625*0.64-6.25
=0.625*370+0.625*640-0.625*10
=0.625*(370+640-10)
=0.625*1000
=625
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