（精華版）小數(shù)加減乘除法簡便運算練習題

1、小數(shù)簡便運算練習(一)班級 姓名 得分 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64 1.233.40.236.6 0.253612.7（3.70.84） 36.541.7

2、64.54 0.250.7347.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8（4.31.25） 3.123.1299 28.610128.6（4.236.17）0.8 0.8615.70.8614.7 2.4102147.322.68 2.648.677.3611.33 2.311.20.5（2.50.25）0.4 9.161.50.59.16 3.63.60.54.51.8 4.23.5 9300.65 63.42.50.4 4.91.4 3.9（1.35） （7.71.54）0.7 2.52.4

3、 2.745 0.351.2520.8 32.40.90.132.4 150.25 7028 15（0.150.4） 4.252.59.90.17小數(shù)簡便運算練習(二)班級 姓名 得分 4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.475.272.860.661.63 13.354.682.65 47.87.45+8.80.398+0.36+3.6415.75+3.590.59+14.25 42.5(6.07

4、1.13)73.81.6413.85.36 66.868.661.34 0.2516.243.723.56.283.5 36.83.96.1 2 5.48(9.40.52)4.87.8780.52 3.6102 6.40.253.64324.90.9 4.84.80.5 (1.250.125)84.8100.1 56.59.956.5 7.0910.80.87.094.23.5 3201.258 18.769.918.763.522.50.4 4.780.23.44 3.94.16.15.90.491.4 1.252.532 3.60.623.6510.1 3.63.60.8 15.20.25

5、45.63.5 9.60.80.4 4.2994.20.89100.1 146.5(2346.5) 17.8(1.784)5.8324.27 (45.932.7)80.125 9.7999.74.3612.58 15.613.115.615.62.1 0.6510127.53.77.53.7 8.542.50.4 3.834.563.835.44小數(shù)乘法簡便計算練習題班級 姓名小數(shù)乘法的簡便計算的方法：1、乘法交換律與結(jié)合律、分配率的運用。（整數(shù)的運算定律在小數(shù)中同樣適用）2、表面上看來，左右兩邊沒有相同的因數(shù)，不能使用乘法分配律。我們可以通過變一變，分一分的方法找出相同因數(shù)再運用乘法分配律進

6、行計算0.258.54 12.50.960.8 0.250.734 4.3612.58 0.2516.24 1.252.532 3.20.2512.5 0.2536(1.250.125)8 4.810.1 3.6102 0.39199 0.32403 3.6510.1 0.859.9 3.723.56.283.5 15.62.115.61.1 4.87.8780.52 56.59956.5 7.0910.80.87.09 1.879.90.187 4.2994.2 3.84.563.835.44 9.7999.7 27.53.77.53.7 3.140.6831.40.032 7.20.22.

7、41.4 5.411-5.4 7.74（2.81.3）1.52.26 3.92.73.97.3 12.79.91.27 2.316+2.323+2.3 3.654.7 36.50.37 1010.87-0.9187 46572386 10.716.1-15.110.7 7.60.80.27.6 1.288.60.728.6 10.60.359.60.35 8.91.01 0.65101 480.56440.48 0.2793430.657279 0.2645192640.481 9.161.530.05391.6 0.12596 12.510.8 （204）0.254521502.1 451.

8、585.515.8 257.30.4小數(shù)乘法的簡便運算姓名 學號 成績一、 乘法交換律與結(jié)合律的運用。 4.560.42.5 12.52.70.8 12.5320.25 2.532 12.556 250.36二、 乘法分配律的運用。 0.2510.4 12.58.8 990.353.71.82.71.8 95.70.286.30.280.282 1.0891.08三、 比較乘法結(jié)合律與分配律在簡便運算時的區(qū)別（下面各題用不同的方法簡算）。12.588 12.588 0.2548 0.2548表面上看來，左右兩邊沒有相同的因數(shù)，不能使用乘法分配律。四、 變一變，能簡算。480.56440.48

9、0.2793430.657279 0.2645192640.481 9.161.530.05391.6 3140.0433.147.231.40.15五、 用自己喜歡的方法做一做。5310.1 4.26.513.494.2 257.30.40.12596 12.510.8 （204）0.254521502.1 451.585.515.8 9.992.223.333.34 3.71.40.05 720.81+10.4 1.425+3.451.5102 1.250.70.8 2.73.7+0.37738.799 0.8（12.5 1.25） 1.250.4802.551.030.2 321.25

10、0.4599 甲有存款4000元，乙有存款2400元，乙從存款中取出一些后，甲的存款正好是乙現(xiàn)在的5倍。乙取出多少元錢？ 有一堆煤，如果用甲種車一次運完，需要36輛; 如果用乙種車一次運完，需要45輛。已知甲種車比乙種車每輛多運1.5噸。問這批煤共有多少噸？小數(shù)乘法簡便計算236.94.83.147.87.45+8.80.398+0.36+3.649.64.83.65.171.83.24.025.40.983.687.562.680.2516.245.272.860.661.6373.81.6413.85.3615.75+3.590.59+14.257.852.340.854.6635.61.

11、815.67.23.822.90.189.10.4566.223.78 15.89(6.755.89) 13.75(3.756.48) 3.610266.868.661.34(1.250.125)813.354.682.657.140.532.473.723.56.283.5 36.83.96.1 4.87.8780.52 56.59.956.515.613.115.615.62.1 4.8100.1 7.0910.80.87.09 324.90.9 25.48(9.40.52) 4.23.5 3201.258 18.769.918.763.522.50.4 3.94.16.15.9 5.63

12、.5 9.60.80.4 4.2994.2 17.8(1.784) 0.491.4 1.252.532 3.6510.1 15.20.254 0.89100.1 146.5(2346.5) 3.834.563.835.44 4.3612.58 9.7999.7 8.91.01 27.53.77.53.7 8.542.50.4 0.65101 3.20.2512.5 (45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.4 7.20.22.41.4 7.74（2.81.3）1.52.26 3.92.73.97.3 181.80.1250.8 12.7

13、9.91.27 21（9.33.7）5.6 15.02-6.8-1.02 5.411-5.4 2.316+2.323+2.3 9.43-（6.28-1.57） 3.654.736.50.37 46572386 13.70.253.74 2.229.9+6.666.7 1010.87-0.9187 10.716.1-15.110.7 0.79199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.

14、9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.75 23.40.813.47.2 0.32403 3.20.364.81.64 1.233.40.236.6 0.2536 12.7（3.70.84） 36.541.764.54 0.250.734 7.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.35 0.8（4.31.25） 3.123.1299 28.610128.6 0.8615.70.8614.7 2.4

15、102 2.311.20.5 147.322.68 2.648.677.3611.33 7028 （2.50.25）0.4 9.161.50.59.16 3.63.60.563.42.50.4 4.91.4 3.9（1.35） （7.71.54）0.7 2.52.4 2.745 15（0.150.4）0.351.2520.8 32.40.90.132.4 150.25 4.51.8 4.23.5 9300.65小數(shù)乘除法簡便計算專項練習 班級： 姓名： 一、計算1.253.20.25 4.71.251.6 1.2588 1.256.40.25 4.60.35+4.60.652.551.5+1.

16、5+6.451.5 2.95101-2.95 12.550.163.210.1 0.52105 10.014.5 590.25 1.80.9+0.18 5.40.68+3.420.46 8.99.9+110.99（1.25+0.25）16 23.9-0.60.6-0.64 3.70.442.59.7312.50.8 7.84.863.9 1.98.80.88 28.94289 0.77770.7+0.11112.1 8881.6+2223.6 920.9+7.2 4.87.8780.52 1.879.90.187 3.140.6831.40.032 7.20.22.41.4 4.2988.4

17、7.74（2.81.3）1.52.26 12.79.91.27 2.316+2.323+2.3 3.654.736.50.374.6572.386 2.229.9+6.666.7 1010.87-0.9187 二、填空1、已知25.160.37=68，直接寫出下列各式的得數(shù)。 251.63.7= 0.25150.37= 2.51637= 25.160.037= 2.5160.037= 25.16（ ）=6.82、1噸36千克=（ ）噸 84分=（ ）小時 15千克15克=（ ）千克 36小時=（ ）天3、將3.181.8、3.180.8、3.181.2、3.181、3.180.99從小到大的順

18、序排列 （ ）4、7.070.3商是23.5，余數(shù)是（ ）5、根據(jù)21234=7208，在（ ）里填上合適的數(shù)。2.1234=（ ） （ ）34=0.72082.12（ ）=7.208 21.20.34=（ ） 0.0212340=（ ） 0.212（ ）=72.086、兩個數(shù)相乘，小馬虎把第一因數(shù)30.95中的9寫成了6，結(jié)果積比正確答案少0.81，那么另一個因數(shù)是多少？五年級數(shù)學簡便計算練習卷下面各題怎樣算簡便就怎樣算。（1）小數(shù)加減法計算6.94.83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48

19、)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.475.272.860.661.63 13.354.682.65 73.81.6413.85.3647.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.2566.868.661.34 36.83.96.1 324.90.9 25.48(9.40.52) 3.94.16.15.9 15.02-6.8-1.02324.90.9 146.5(2346.5) 9.43-（6.28-1.57）4.8+8.6

20、3+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 3.20.364.81.64 1.233.40.236.6 12.7（3.70.84） 36.541.764.54147.322.68 2.648.677.3611.33 （2）小數(shù)乘

21、法計算0.2516.24 (1.250.125)8 3.6102 3201.258 3.723.56.283.5 1 4.87.8780.52 0.8100.1 5.613.115.615.62.1 4.23.5 7.0910.80.87.0918.769.918.76 3.522.50.4 56.59.956.5 515.613.115.615.62.1 4.87.8780.52 4.23.5 4.8100.1 56.59.956.5 7.0910.80.87.09 18.769.918.76 3.522.50.4 3201.258 9.60.80.4 4.2994.2 15.20.254

22、0.89100.1 17.8(1.784) 0.491.4 1.252.532 3.6510.1 3.834.563.835.44 9.7999.7 3.140.6831.40.032 27.53.77.53.7 8.542.50.4 0.65101 3.20.2512.5 (45.932.7)80.125 5.61.250.82.50.4 4.3612.587.20.22.41.4 8.91.01 7.74（2.81.3）1.52.263.92.73.97.3 181.80.1250.8 12.79.91.27 21（9.33.7）5.6 5.411-5.4 4.51.8 4.23.5 63

23、.42.50.4 4.91.4 3.9（1.35） 9300.65 7.71.54）0.7 2.52.4 2.745 15（0.150.4）0.351.2520.8 32.40.90.132.4 150.25 （2.50.25）0.4 9.161.50.59.16 3.63.60.5 70280.8（4.31.25） 3.123.1299 28.610128.60.8615.70.8614.7 2.4102 2.311.20.57.60.80.27.6 0.85199 0.258.54 4.63.5 1.288.60.728.6 12.50.960.8 10.49.60.35 0.25360.250.734 0.32403 46572386 0.79199 13.70.253.74 2.229.9+6.666.7 2.316+2.323+2.3 1010.87-0.9187 10.716.1-15.110.7 3.654.736.50.37 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72