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25x125x128的简便运算

25x125x8x4=(25*4)*(125*8)=100*1000=100000 运用乘法交换律和乘法结合律

25x125x4=25x4x125=100x125=12500

25x125x32=25*125*4*8=25*4*125*8=100*1000=100000

你好!用拆分的方法25X 128(4X4x8)X75X125100X300X1000 答案就出来了 如果对你有帮助,望采纳.

25X125=4x25X125/4=100x125/4=12500/4=3125.

25x125x25=(600+20+5)x125=600x125+20x125+5x125=75000+2500+625=78125

25X125X3X8=25X3X125X8=75X1000=75000

25*25*5*4*4*2=25*4*25*4*5*2=100000

25x0.32x1.25=25x4x8x1.25x0.01=100x100x0.01=100x1=100望采纳

25x125x2x16=25x125x4x8=(25x4)x(125x8)=100x1000=100000

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