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125x29x2x4怎样简便运算

18×35用简便方法怎么算=630 简便

125X39X2X8有简便运算吗回答:125×39×2×8=125×8×39×2 =1000×39×2 =78000

58×25×2的简算?这道题可以用分解凑成法来计算,比较简单。58×25×2 =29×2×25×2 =29×100 =2900。望采纳。

4.5×9x1.2简便计算和72X0.125=4.5×9x2x0.6=(4.5×2)x(9x0.6)=9x5.4=(10-1)x5.4=54-5.4=48.6 72X0.125=9X8X0.125

50乘29乘4怎么用简便计算50×29×4可以运用乘法交换律和乘法结合律使计算简便。50×29×4 =(50×4)×29 =200×29 =5800

25x18x18简便运算?简便计算过程如下 25×18×18 =25×2×9×2×9 =25×2×2×9×9 =25×4×81 =100×81 =8100 望采纳

125×12×6和125×8×9,125×36×2,还有125×24×3125×12×6 =125x4x3x2x3 =(125x8)x(3x3)=1000x9 =9000 125×8×9 =1000x9 =9000 125×36×2 =125x4x9x2x =

125乘39乘16的简便方法怎么算回答:125x39x2x8

79X68十98X34的简便方法?详情请查看视频回答

2560÷45÷16x18简便运算?÷(4×4)=2560÷5÷9÷4÷4×18 =512÷9÷4÷4×18 =56.8÷4÷4×18 =14.2÷4×18 =3.55×18 =63.9

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