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0.4x125x25x0.8简便计算

0.4x125x25x0.8 =(0.4×25)×(125×0.8) =10×100 =1000

0.4x125x25x0.8简便计算 0.4x125x25x0.8 =(0.4*25)*(125*0.8) =10*100 =1000

80x0.125x25 =10×25 =250

[(4x8)x25-8]x125 =4×8×25×125-8×125 =4×25×8×125-8×125 =100×1000-1000 =100000-1000 =99000

原式 =(125x8)x(25x4) =1000x100 =100000 供参考。

40x125x8x25 =(40×25)×(125×8) =1000×1000 =1000000

125x(4+8)x25 =125x12x25 =(125×3)x(4x25) =375×100 =37500

125x25x(8十40)求解 125x25x(8十40) =(125*8*25)+(125*25*40) =25*1000+125*1000 =25000+125000 =15000

解:465×2×125×25×5×4×8 =465×(2×5)×(125×8)×(25×4) =465×10×1000×100 =4 6500 0000

9又4分之1是9.25,5分之1是0.2,得9.25x9.8+9.25X0.2=9.25x(9.8+0.2)=9.25x10=92.5.如果你认可我的回答,请及时点击【采纳为满意回答】按钮,或在客户端右上角评价点【满意】。谢谢!你的采纳,是我前进的动力!你的采纳也会给你带去财富值的。我...

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