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1、精選優(yōu)質文檔-傾情為你奉上四年級小數(shù)乘除法計算題 185.4416 41.847 21.79 67.5105 230.40.6 121.2436 0.73623 43.512 35.217 39.6246.210.03 2101.4 51.30.27 91.23.8 0.7560.180.660.3 11.971.5 69.62.9 38.40.8 150.0615.62.9 3.771.8 0.0296 5.220.3 9.990.024.670.9 52.44 1.6666.1 9.4320.002 5.66.54.882.9 0.614.3 8.92.4 5.555 9.770.021.

2、3845.1 8.7883 12.661 0.0590.2 4.2681.75.75.7 9.462.85 17.86.4 1.54.9 12.50.885.5555.2 2.223.33 7.65885 36.020.3 56.788（循環(huán)小數(shù)的用簡便方法，除不盡保留2位小數(shù)）：8.20.12 0.80.9 76.45.4 4.73 1.251.23242 14.362.7 8.336.2 1.70.03 2.410.7用豎式計算0.3961.2= 0.7560.36= 15.61.3= 0.181.5= 0.0251.4= 13.0636= 0.040.12 3.842.6 5.763 1

3、7.1522 90.753.3 3.680.2516.90.13 1.553.9 3.70.016 13.760.8= 5.20.6 18.41.3 6.40.5 4.480.4 15.255 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（保留兩位小數(shù)）2.50.7= （保留三位小數(shù)） 10.13.3= （商用循環(huán)小數(shù)）10.7512.5= （用乘法驗算） 3.259.04= （用除法驗算） 3、脫式計算（能簡算的要簡算）2.57.14 16.129916.12 5.20.90.9

4、7.2899+7.28 4.3500.2 642.640.52615.715.724 (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+1.58324.90.9 4.84.80.5 (1.250.125)84.8100.1 56.59956.5 7.0910.80.87.094.85 + 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 0.18 4.8 （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 3.810.1 0.2539+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+23.47.29.599 13.50.98 12.58.8專心-專注-專業(yè)