小数除法的简便运算.docx
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1、小数除法的简便运算小数除法的简便运算 除法: 85.4416 42.847 101.79 67.515 230.46 21.2436 0.73623 43.512 35.217 39.624 6.210.03 2101.4 51.30.27 91.23.8 0.7560.18 0.660.3 11.971.5 69.62.9 38.40.8 150.06 : 8.20.12 0.80.9 76.45.4 4.73 1.251.2 3242 14.362.7 8.336.2 1.70.03 2.410.7 用竖式计算 0.3961.2= 0.7560.36= 15.613= 0.1815= 0.
2、02514= 3.0636= 0.040.12 3.842.6 5.763 7.1522 90.753.3 3.680.25 16.90.13 1.553.9 3.70.016 13.760.8= 5.20.6 8.41.3 6.40.5 4.480.4 5.255 35.44.2 0.0420.54 0.760.32 0.250.046 2.523.4 1.0825 0.120.50.16 4.80.25 0.1251.4 2.50.7= 10.13.3= 10.7512.5= 3.259.04= 3、脱式计算 2.57.14 16.129916.12 5.20.90.9 7.2899+7.
3、28 4.3500.2 642.640.5 2615.715.724 (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 1.25 40.5 0.81 0.18 4.8 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 0.2518540 6.80.750.5 3.750.1252.75 1.53+23.47.2 9.599 13.50.98 12.58.8
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