小數(shù)乘除法計算題及答案專題訓(xùn)練

1、小數(shù)乘除法計算題85.441642.847101.7967.515230.465.346.1211.34.538.421.24360.7362343.51235.21739.6240.590.0323.6255.031.656.210.032101.451.30.2791.23.80.7560.18207150190244.20.660.311.971.569.62.938.40.8150.062.27.982.4482505.62.9

2、3.771.80.02965.220.39.990.0216.246.7861.921.5660.19984.670.952.441.6666.19.4320.0025.66.54.20312.210.16260.01886436.44.882.95.614.38.92.45.5559.770.0214.15224.12321.36302.50.19541.3845.18.78832.6610.0590.24.2681.77.05847

3、28.74158.60.01187.2556575.79.462.8517.86.41.54.92.50.88324.926.961113.927.352.25.5555.22.223.337.6588536.020.356.78828.8867.3926650.9310.806454.24（循環(huán)小數(shù)的用簡便方法，除不盡保留2位小數(shù)）：8.20.120.80.976.45.44.731.251.268.330.8914.151.571.

4、04324214.362.78.336.21.70.032.410.70.765.321.3456.673.44用豎式計算0.3961.2=0.7560.36=15.613=0.1815=0.332.1202.82.732＋4.9－0.94.8－4.80.5(1.25－0.125)8362.494.8100.156.599＋56.57.0910.8－0.87.09480.48565070.94.850.351.48.717.48.77.

5、412.50.42.585.1871000.873.164.649.51010.68（5.23.5）1.257.3892959.50.540.50.810.184.8（152.4）9306.816.81990.25185404.40.8－3.40.868118500.8(9.379.379.379.37)252.376.32.373.793.723.72.51.250.323.810.12.5(3.80.04)7.69101138.38

6、0.38776.693.810.10.25390.250.12572460.33540.3338.3810933(85.27)1.256.816.81990.251854052.768118506.80.750.53.750.125–2.751.5323.47.210.227.254789.59913.50.9812.58.8940.513.23110解決問題：1.一臺榨油機(jī)每小時榨油0.45噸，4臺這樣的榨油機(jī)3.5小時榨油多少噸？2