四年級(jí)小數(shù)乘除法計(jì)算題

1、四年級(jí)小數(shù)乘除法計(jì)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(jì)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(yàn)算） 3.259.04= （用除法驗(yàn)算） 3、脫式計(jì)算（能簡(jiǎn)算的要簡(jiǎn)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.