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4.68乘以十五点二加46点八乘以八点四八用简便方法...

4.68×15.2+46.8×8.48 =4.68×15.2+4.68×84.8 =4.68×(...

46×0.28+2.8×5.4 =46+0.28+0.28×54 =(46+54)×0.28 ...

46.8×9.2 =46.8×(10-1+0.2) =468-46.8+9.36 =430.5...

4.65乘一点8+0点八二×46点七简便运算巴 4.65乘一点8+0点八二×46点七 =4.65...

12.8×34.5+12.8×12.3+46.8×87.2 =12.8×(34.5+12.3)+4...

46.3*0.58+5.38*5.8-1*0.058 =0.58*46.3+0.58*53.8-0...

18.5*59/5-11.8*69/4 =18.5*11.8-11.8*17.25 =18.5*...

46*(1.78+8.3)

46.5×99+46.5 =46.5×(99+1) =46.5×100 =4650

8.46乘以99+8点46用简便方法怎么计算 8.46乘以99+8点46 =8.46*(99+1...

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