道小数乘法计算题.doc

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1、道小数乘法计算题————————————————————————————————作者：————————————————————————————————日期：练习纸姓名（）竖式计算5.6×2.93.7×1.80.02×965.2×0.329.99×0.024.67×0.95.5×2.41.6×6.19.4×0.125.6×6.54.8×2.95.61×0.038.9×2.49.77×0.021.3×5.18.6×832.6×6.10.059×0.24.8×1.75.7×5.79.4×2.517.8×

2、6.41.5×4.92.5×0.885.555×5.22.22×3.337.658×8536.02×0.356.78×835.6×2.90.02×965.22×0.39.99×0.024.67×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×2.45.5×559.77×0.021.384×5.14.268×1.31.5×4.97.658×855.3×6.39.9×1.44.8×9.15.59×4.81.3×1.62.1×7.63.8×2.38.

3、7×0.12.1×0.42.8×3.58.78×8857×5.72.5×0.8836.02×0.34.4×7.36.4×2.40.6×70.2×5.64.6×3.83.8×2.31.8×9.61.7×4.79.8×4.31.12.6×619.46×2.855.555×5.256.78×834×8.812.48×44.2×1.89.4×8.49.1×5.61.8×9.66.1×4.88.6×8.97.7×9.92.9×8.210.059×0.217.8×6.42.22×3.330.1×5.34.1×

4、0.89.8×1.38.6×6.50.5×4.6229.570.4×1.912.1×7.927.5×5.70.3×7.63.4×93.9×1.73.77×1.8185.44÷1641.84÷721.7÷967.5÷105230.4÷0.6121.24÷366.21÷0.030.66÷0.315.6×2.94.67÷0.90.736÷23210÷1.411.97×1.53.77×1.85×2.4443.5×1251.3÷0.2769.6÷2.90.02×966.135.21÷791.2×3.838.

5、4÷0.85.22×0.39.432×0.00239.6×240.756÷0.1815÷0.069.99×0.025.6×6.54.88÷2.90.61×4.38.9÷2.45.5×559.77×0.028.2÷0.120.8÷0.976.4÷5.44.7÷332÷4214.36÷2.78.33÷6.21.7÷0.0356.78×81.25÷1.22.41÷0.71.384÷5.18.78×8312.6×610.059×0.24.268×1.75.7×5.79.46×2.8517.8×6.41.5

6、÷4.95.555×5.22.22×3.337.658×850.396÷1.2=0.756÷0.36=15.6×1.3=0.18×1.5=0.025×1.4=13.06×36=0.04×0.12＝3.84×2.6≈5.76×3＝16.9÷0.135.2×0.615.25×50.25×0.04617.15×223.918.4÷1.335.4×4.22.52×3.490.75÷3.33.7÷0.0166.4×0.50.042×0.54253.68×0.2513.76÷0.8=4.48×0.40.76÷

7、0.320.12×0.16＝1.55÷1.08÷4.8×0.25＝0.125×1.4≈（保留两位小数）2.5÷0.7=（保留三位小数）10.1÷3.3=（商用循环小数）10.75÷12.5=（用乘法验算）3.25×9.04=（用除法验算）36.02÷0.3（循环小数的用简便方法，除不尽保留2位小数）：8.2÷0.120.8÷0.976.4÷5.44.7÷332÷4214.36÷2.78.33÷6.21.7÷0.0356.78×81.25÷1.22.41÷0.73、脱式计算（能简算的要简算）2.5×

8、7.1×416.12×99＋16.125.2×0.9＋0.97.28×99+7.284.3×50×0.264－2.64×0.526×15.7＋15.7×24(2.275＋0.625)×0.284.4×0.8－3.4×0.83.94+34.3×0.21.2×(9.6÷2.4)÷4.88.9×1.1×4.72.7×5.4×3.93.6×9.85-5.468.05×3.4+7.66.58×4.5×0.92.8×0.5+1.584.8×（15÷2.4）32＋4.9－0.94.8－4.8×0