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125x14x4x8x25x5x20的简便运算

125x14x4x8x25x5x20=(125*8)x14x(4x25)x(5x20)=1000*14*100*100=140000000

125x14x4x8x25x5x20=125x8x4x25x5x20x14=(125x8)x(4x25)x(5x20)x14=1000x100x100x14=140000000

125*8=1000,4*25=100;5*2=10; 答案是14000000

125x14x4x8x25x5x2o=(125x8)x(4x25)x(5x20)x14=1000x100x100x14=140000000

125x23x4x8x25x5x20简便方法就是两个数相乘可以变成100或者1000这样的整数,具体如下,希望采纳,谢谢

2X5=1025X4=100125X8=100010X100X1000X14=14000000

用简便的方法计算 629x2x125x4x8x25x5629x2x125x4x8x25x5=629* (125*8)*(25*4)*(5*2)=629*1000*100*10=629000000

你好!根据乘法交换律125x4x2x8x25x5=(125*8)*(25*4)*(5*2)=1000*100*10=1,000,000 我的回答你还满意吗~~

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