简便计算:418×201= 25×64×125

问题描述:

简便计算:418×201= 25×64×125

1个回答 分类:数学 2014-11-06

问题解答:

我来补答
418×201
=418x(200+1)
=418x200+418
=83600+418
=84018
25×64×125
=25x4x4x8x125
=4x(25x4)x(125x8)
=4x100x1000
=400000
 
 
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