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125×320×25用简便方法计算

=(25×4)×(80×125)

2.5x0.125x320 =2.5x40x0.125x80 =(2.5x4)x(0.125x80)...

320x25x125 =40x8x25x125 =(40x25)x(8x125) =1000x...

320x25x125 =(8×125)×(40×25) =1000×1000 =1000000

原式等于 125×8×25×40 =1000×1000 =1000000 ~回答完毕~ ~...

125x25x320 =125x25x8x40 =(125x8)x(25x40) =1000x100...

320×25×125的简便运算 320×25×125 =(125*8)*(25*40) =10...

320/25/125/8的简便运算 320/25/125/8 =320/25/(125*8) ...

利用8×125=1000。

320*25*125=(40x25)x(8x125)=1000x1000=1000000

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