四年級小數(shù)乘除法計算題

1、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 39.62.4 6.210.03 2101.4 51.30.27 91.23.8 0.7560.18 0.660.3 11.971.5 69.62.9 38.40.8 150.0615.62.9 3.771.8 0.0296 5.220.3 9.990.02 4.670.9 52.44 1.6666.1 9.4320.002 5.66.5 4.882.9 0.614.3 8.92.4 5.555 9.770.02 1.3845.1

2、8.7883 12.661 0.0590.2 4.261.75.75.7 9.462.85 17.86.4 1.54.9 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 17.1522 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 0.12

3、0.50.16 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 5.20.90.97.2899+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+

4、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.