小数乘法简便运算 0.25×3.2×8 3.2×0.25×1.25 12.5×10.8 （20－4）×0.25 1.83×1.7－0.7×1.83 0.37×199＋0.37 5.28×99 45×1.58＋5.5×15.8 0.279×343＋0.657×279 5.5×21－45×2.1 6.23×10.1 0.89×99 9.8×7.7＋2.3×9.8 4.8×10.1 (1.25－0.125)×8 4.2×6.51＋3.49×4.2 314×0.043＋3.14×7.2－31.4×0.15 0.35×199 3.2×0.25×12.5 0.25×36 48×0.56＋44× 0.48 3.7×1.8－2.7×1.8 1.08×9＋1.08 4.36×12.5×8 95.7×0.28＋6.3×0.28－0.28×2 3.65×10.1 0.25×16.2×4 0.32×103 0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4 9.16×1.53－0.053×91.6 1.25×2.5×32 3.72×3.5＋6.28×3.5 15.6×2.1－15.6×1.1 3.6×102 0.85×9.9 56.5×99＋56.5 9.7×99＋9.7 27.5×3.7－7.5×3.7 3.9×2.7＋3.9×7.3 5.4×11－5.4 10.7×16.1－15.1×10.7 8.9×1.01 10.6×0.35－9.6×0.35 0.65×101 1.87×99＋1.87 0.25×12.5×32 1.1×0.87－0.87 0.5×（0.2＋2.4） 4.6×5.5－0.6×5.5 2.5×（0.4－0.04） 3.6－3.6×0.8 3.72×3.5＋6.28×3.5 4.8×7.8＋78×0.52 18.76×9.9＋1.876 56.5×9.9＋5.65 7.09×10.8－0.8×7.09 4.2×99＋4.2 9.74×99＋9.74 4.8－4.8×0.5 (1.25－0.125)×8 2.65×1.7＋1.35×1.7 0.32×12.5×2.5 4.36×12.5×8 5.83×2＋4.27 15.6×13.1－15.6－15.6×2.1 5.6×1.25 7.5×3.7－7.5×3.7 1.5×105 7.6×27＋7.6×174－7.6 1.6×12.5 3.5×0.4＋3.5×0.6 1.5×1.2＋8.8×1.5 99×0.35 1.25×0.25×8×4 （8＋0.8）×1.25 1.28×0.29－0.29×0.28 101×4.8 0.25×12.8×0.4 7.09×99＋7.09 4.5×1.6＋5.5×1.6 0.48×36－3.8×3.6 0.25×401 0.8×0.25×0.4×12.5 2.3×16＋2.3＋23＋2.3 107×16.1－15.1×10.7 0.65×101 4.8×0.25 0.3×2.5×0.4 12×0.25＋0.8×2.5 3.4×0.46＋3.4×0.54 4.75×99＋4.75 5.5×17.3＋6.7×5.5 3.8×9.9＋0.38 5.09×10.7－0.7×5.09 1.28×0.29－0.29×0.28 2.5×3.79×0.4 （1.25－0.125）×8 101×0.45 15.6×2.1－15.6×1.1 101×0.87－0.91×87 0.68×101 565×9.9＋56.5 3.65×10.1 1.87×9.9＋0.187 12.7×9.9＋1.27 45×1.58＋5.5×15.8 25×7.3×0.04 （20－4）×0.25 6.66×3.3＋6.66×6.7 3.14×0.68＋31.4×0.032 本文来源：https://www.wddqw.com/doc/e14056a6185f312b3169a45177232f60ddcce79c.html