100道小数乘法计算题.docx

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1、100道小数乘法计算题100道小数乘法计算题 5.62.93.71.80.0296 5.20.329.990.024.670.9 5.52.41.66.19.40.12 5.66.54.82.95.610.03 8.92.49.770.021.35.1 8. 6832.66.10.0590.2 4.81.75.75.79.42.5 17.86.41.54.92.50.88 5.5555.22.223.337.65885 36.020.356.78835.62.9 0.02965.220.39.990.02 4.672.441.6666.19.4320.002 5.66.54.882.95.61

2、4.3 8.92.45.5559.770.02 1.3845.14.2681.31.54.9 7.658855.36.39.91.4 4.89.15.594.81.31.6 2.17.63.82.38.70.1 2.10.42.83.58.7888 575.72.50.8836.020.3 4.47.36.42.40.67 0.25.64.63.83.82.3 1.89.61.74.79.84.3 1.1 2.6619.462.855.5555.2 56.788 348.812.484 4.21.89.48.49.15.6 1.89.66.14.88.68.9 7.79.92.98.21 0.

3、0590.2 17.86.42.223.330.15.3 4.10.89.81.38.66.5 0.54.6229.570.41.9 1 2.17.927.55.70.37.6 3.493.91.73.771.8 185.441641.84721.79 67.5105230.40.6121.2436 6.210.030.660.315.62.9 4.670.90.736232101.4 11.971.53.771.852.44 43.51251.30.2769.62.9 0.02966.1 35.217 91.23.8 38.40.85.220.39.4320.002 39.6240.7560

4、.18150.06 9.990.025.66.54.882.9 0.614.38.92.45.555 9.770.028.20.120.80.9 76.45.44.733242 14.362.78.336.21.70.03 56.7881.251.22.410.7 1.3845.18.788312.661 0.0590.24.2681.75.75.7 9.462.8517.86.41.54.9 5.5555.22.223.337.65885 0.3961.2=0.7560.36=15.61.3= 0.181.5=0.0251.4=13.0636= 0.040.123.842.65.763 16

5、.90.135.20.615.255 0.250.04617.15223.9 18.41.3 35.44.22.523.490.753.3 3.70.0166.40.50.0420.54 25 3.680.2513.760.8=4.480.4 0.760.320.120.161.55 1.08 4.80.250.1251.4（保留两位小数） 2.50.7= （保留三位小数） 10.13.3= （商用循环小数） 10.7512.5= （用乘法验算） 3.259.04= （用除法验算） 36.020.3（循环小数的用简便方法，除不尽保留2位小数）： 8.20.120.80.976.45.4 4.7

6、3324214.362.7 8.336.21.70.0356.788 1.251.22.410.7 3、脱式计算（能简算的要简算） 2.57.1416.129916.125.20.90.9 7.2899+7.284.3500.2642.640.5 2615.715.724(2.275 0.625)0.284.40.83.40.8 3.94+34.30.21.2(9.62.4)4.88.91.14.7 2.75.43.93.69.855.468.053.4+7.6 6.584.50.92.80.5+1.584.8 （15 2.4） 324.90.94.84.80.5(1.250.125)8 4.8100.156.59956.57.0910.80.87.09 4.85 + 0.35 1.48.7 17.48.7 7.412.50.42.58 0.873.16+4.649.51010.68 （5.2 3.5） 1.25 40.5 0.81 0.186.81+6.81990.2518540 第8页 /总页数 8 页