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“‘25乘37乘4125乘7乘8”用简便计算怎么算?
人气：230 ℃　时间：2020-04-27 02:31:03
解答
25×37×4125×7×8
=25×36×125×33×7×8+25×125×33×8×7
=900×1000×33×7+1000×25×32×7+1000×25×7
=29700000×7+5600000×7+25000×7
=30525000×7
=213675000
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