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1、一、一般乘法竖式计算题65X0.70.0016X130.65X0.17(得数保存两位小数)0.65X7.38.7X0.92(得数保存两位小数)(用乘法验算)3.7X0.0163.83X2.6(得数保存两位小数)(用除法验算)二、乘数中间有“0”的乘法56.2X4.081252.0423.5X1.022.520.18.81X1.012.01X1.03(得数保存两位小数)三、积末尾有“0”的乘法1.6X0.852.25X2.40.15X2.80.25X0.44三、简便计算。3.15X1.81.25X0.80.125X640.68X1013.26X5.7-3.26X0.755.6X99+55.61.
2、252130.819,625-(4.379+9.625)3.425.7+4.3X3.428.75X11-8.759.9X202小数乘法练习题(二)一、一般乘法竖式计算题205X0.18305X0.14(用除法验算)2.03X0.14205X0.130.34X0.126(得数保存两位小数)二、乘数中间有“0”的乘法518X3.074.15X1.03(得数保存一位小数)2.42X1.051.25X8.081.02X20.62.05X4.6三、积末尾有“0”的乘法18.6X1.5三、简便计算。2.06X0.252.36X0.350.125X240.78X1013.25X5.7-3.25X0.756.
3、6X99+56.61.25240.819.725-(4.379+9.725)3.56X5.7+4.3X3.566.75X101-6.759.9X201小数除法练习题(-一)一、除数是整数的小数除法68.8485.441667.515289.918243.264(用乘法验算)二、一个数除以小数91.23.8O.7560.1851.30.27260.132101.42.6880.562.77.5150.0625.60.032三、商的近似数,计算(保存一位小数)。14.362.78.336.21.70.0332421.251.21.553.8四、商的近似数,计算(保存两位小数)。281878.611
4、7.095.23.817246.4135.636.1五、循环小数。28184007578.6112.291.1除数是整数的小数除法1.3527小数除法练习题(二)0.416323.645216.8280.13815二、一个数除以小数62.42.6(验算)23.80.340.5440.166.210.35.982.32.77.5211.48.841.7三、商的近似数,计算(验算)(保存一位小数)。3.8178.333.148232.042.414.28284.557四、商的近似数,计算(保存两位小数)。15.80.9132.272.786161.2628246.41378.611五、循环小数。1.52.534,5111.243.6小数竖式计算练习【商是循环小数的用循环小数表示,其余除不尽的保存两位小数】382.5456.4X5.48100.2-2.2810.883410-7.613.88-6.29850026.3+7.9323X7.060.25X0.060.125X0.425.2659.8+0.2310.8-0.4519-5.2101.7916.82851.3-0.27184.32+1.867.5155.5780.3961.2289.918124.8+0.240.7560.362.5X0.16