小数乘法简便运算VIP免费

一、乘法交换律与结合律的运用。4.56×0.4×2.512.5×2.7×0.812.5×32×0.252.5×3212.5×5625×0.36二、乘法分配律的运用。0.25×10.410.1×2.799×0.353.7×1.8－2.7×1.81.08×9＋1.08101×37－37三、比较乘法结合律与分配律在简便运算时的区别。8×（125+7）8×（125×7）试一试：能用不同的方法简算“12.5×88”吗四、变一变，能简算。48×0.56＋44×0.480.279×343＋0.657×2799.16×1.53－0.053×91.6五、完全独立练习。5×1.03×0.232×1.250.45×9953×10.14.2×6.51＋3.49×4.225×7.3×0.42.4＋1.6×316.5＋29.8＋3.52.5×44小数乘法的简便运算