小数乘法简便运算练习题

小数乘法简便运算练习一、简便运算0.25×8.5×412.5×0.96×0.80.25×0.73×44.36×12.5×80.25×16.2×41.25×2.5×323.2×0.25×12.50.25×36二、简便运算3.5×9.94.8×10.13.6×1020.39×1990.25×4013.65×10.10.85×9.9三、简便运算3.72×3.5＋6.28×3.515.6×2.1－15.6×1.13.83×4.56＋3.83×5.4456.5×99＋56.57.09×10.8－0.8×7.099.7×99＋9.74.2×99＋4.227.5×3.7－7.5×3.73.9×2.7＋3.9×7.3四、简便运算2.3×16+2.3×23+2.35.4×11-5.410.7×16.1-15.1×10.77.74×（2.8－1.3）＋1.5×2.2610.6×0.35－9.6×0.357.6×0.8＋0.2×7.6五、简便运算1.28×8.6＋0.72×8.60.65×1018.9×1.01六、简便运算4.8×7.8＋78×0.521.87×9.9＋0.1873.14×0.68＋31.4×0.03212.7×9.9＋1.273.65×4.7－36.5×0.37101×0.87-0.91×87七、用简便方法计算6.66×3.3+6.66×6.77.2×0.2＋2.4×1.446×57＋23×86