五年级小数乘除法练习题70道(共3页).doc

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1、精选优质文档-倾情为你奉上5.62.9 3.771.8 0.0296 5.220.3 9.990.02 4.670.952.44 1.6666.1 9.4320.002 5.66.5 4.882.9 5.614.38.92.4 5.555 9.770.02 1.3845.1 8.7883 2.6610.0590.2 4.2681.7 575.7 9.462.85 17.86.4 1.54.92.50.8 5.5555.2 2.223.33 7.65885 36.020.3 56.788除法： 85.4416 42.847 101.79 67.515 230.46 21.24360.73623

2、43.512 35.217 39.624 6.210.03 2101.451.30.27 91.23.8 0.7560.18 0.660.3 11.971.5 69.62.938.40.8 150.06（的用简便方法，除不尽保留2位小数）：8.20.12 0.80.9 76.45.4 4.73 1.251.2 324214.362.7 8.336.2 1.70.03 2.410.7用0.3961.2= 0.7560.36= 15.613= 0.1815= 0.02514= 3.0636=0.040.12 3.842.6 5.763 （保留一位小数） 7.1522 90.753.3 3.680.

3、2516.90.13 1.553.9 3.70.016 13.760.8= 5.20.6 8.41.36.40.5 4.480.4 5.255 35.44.2 0.0420.54 0.760.320.250.046 2.523.4 1.0825 0.120.50.16 4.80.25 0.1251.4（保留两位小数）2.50.7= （保留三位小数） 10.13.3= （商用） 10.7512.5= （用乘法验算） 3.259.04= （用除法验算）3、（能简算的要简算）2.57.14 16.129916.12 5.20.90.9 7.2899+7.28 4.3500.2 642.640.526

4、15.715.724 (2.275 0.625)0.28 3.94+34.30.2 1.2(9.62.4)4.8 8.91.14.7 2.75.43.9 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.58 324.90.9 4.84.80.5 (1.250.125)8 4.8100.1 56.59956.5 7.0910.80.87.09 4.85 + 0.35 1.4 8.7 17.4 - 8.7 7.4 12.50.42.58 0.873.16+4.64 9.5101 0.68 （5.2 -3.5） 1.25 40.5 0.81 0.184.8 （15 2.4） 6.81+6.8199 0.2518540 4.40.83.40.8 (9.37+937+937+937) 25 2.376.3+2.373.7 2.51.250.32 3.810.1 2.5(3.80.04) 7.69101 3.810.10.2539+0.25 0.12572 460.33+540.33 (85.27) 1.25 6.81+6.8199 0.25185406.80.750.5 3.750.1252.75 1.53+23.47.2 9.599 13.50.98 12.58.8专心-专注-专业