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125x25x32用简便方法算

25x32x125的简便算法的计算步骤是: 25x32x125 =25x(4x8)x125 =(25x4)x(8x125) =100x1000 =100000 解题分析:因25与4相乘等于整百,125与8相乘等于整千,可以将32拆成4和8的乘积,然后利用乘法的结合律进行分别组合相乘,达到简便运算的目...

125x25x32 =125x8x25x4 =1000x100 =100000

125X25X32 =125x8x25x4 =1000x100 =100000

原式=925x125x25x8x4=925x(125x8)x(25x4)=925x1000x100=92500000按着这个算就没有什么问题了,如果有问题可以提吃了

125X25X32 =(125×8)×(25×4) =1000×100 =100000 把三十二分成,我们上五年级的时候老师总是教我们这样的题·

=25x125x8x4 =25x4x125x8 =100x1000 =100000

25X32X125简便运算 =25x4x8x125 =(25x4)x(8x125) =100x1000 =100000

125×32×125 =125×4×2×4×125 =500×2×500 =1000×500 =500000

25X32X125=(25X4)X(125X8)=100x1000=100000 是用了【乘法的结合律】定律来使计算简便的 98X45=(100一2)X45=4500-90=4410 是用了【乘法的分配律】定律来使计算简便的

计算25x32x125要使计算简便是用乘法分配律是错的,用的是乘法结合律。 25x32x125 =25x(4x8)x125 =(25x4)x(125x8) =100x1000 =100000

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