小數(shù)乘除法簡(jiǎn)便運(yùn)算練習(xí)題

1、 小數(shù)乘除法簡(jiǎn)便運(yùn)算練習(xí)題 一、簡(jiǎn)便運(yùn)算 0.258.5 12.50.960.80.250.73.3612.58 0.2516.21.252.53.20.2512. 0.2536 二、簡(jiǎn)便運(yùn)算 8.8 0.32403 三、簡(jiǎn)便運(yùn)算 3.723.56.283.515.6 56.59956.09 4.2994.227.5 10.1.610 0.39199.6510.10.859.2.115.61.13.834.563.835.410.80.87.0.7999.3.77.53.92.73.97.3 四、簡(jiǎn)便運(yùn)算 2.316+2.323+2.5.411-5.410.716.1-15.110.7 7.7

2、41.52.2610.60.359.60.35.60.80.27.6 五、簡(jiǎn)便運(yùn)算 1.288.60.728.60.65101 .9 六、簡(jiǎn)便運(yùn)算 4.87.8780.521.879.90.183.14 12.79.91.23.654.36.50.3101 七、用簡(jiǎn)便方法計(jì)算 6.663.3+6.666.20.22.41.46 1.01 0.6831.40.030.87-0.9187572386 小數(shù)簡(jiǎn)便計(jì)算練習(xí)一 小數(shù)簡(jiǎn)便計(jì)算的方法： 1、加法交換律與結(jié)合律的運(yùn)用。、乘法交換律與結(jié)合律的運(yùn)用。 下面各題怎樣算簡(jiǎn)便就怎樣算。 小數(shù)加減法計(jì)算 3.20.364.81.640.456 1.293.

3、72.716.3 73.81.6413.85.367.14 35.61.815.67.6.86 6.223.7.0.398+0.36+3.64.020.532.45.178.661.3436.84.83.1 5.40.91.83.3.96.1 7.852.340.854.613.354.682.659.64.83.6 5.272.860.661.63.68 小數(shù)乘除法計(jì)算 0.2516.220 3.522.50.9.6 3.20.2512.515 8.542.50.0.257.562.687.81.2583.90.80.50.73.6 7.45+8. 2.453.5 2.7 小數(shù)簡(jiǎn)便計(jì)算練習(xí)二

4、 小數(shù)簡(jiǎn)便計(jì)算的方法： 1、加法交換律與結(jié)合律的運(yùn)用。、乘法交換律與結(jié)合律的運(yùn)用。 下面各題怎樣算簡(jiǎn)便就怎樣算。 小數(shù)加減法計(jì)算3.822.90.189.11.27+3.9+0.73+16.1 2.648.677.3611.330.134+2.66+0.866 23.40.813.47. 15.02-6.8-1.028 3.251.790.591.71.23 3.40.236.51.57+0.245+7.41.76+0.195+3.2.451.54.96.5 13.7515.8912.7 小數(shù)乘除法計(jì)算 0.84.36 3201.25817.8 12.50.960.8 0.350.863.4

5、12.5 4.51.252.5324.9 2.50.0.25 0.250.731.1.36 小數(shù)簡(jiǎn)便計(jì)算練習(xí)三 小數(shù)簡(jiǎn)便計(jì)算的方法： 1、加法交換律與結(jié)合律的運(yùn)用。、乘法交換律與結(jié)合律的運(yùn)用。 下面各題怎樣算簡(jiǎn)便就怎樣算。 小數(shù)加減法計(jì)算2.35+1.713+0.287+7.65 67.34+21.56+2.66+8.44 15.75+3.590.59+14.253.9 25.48.43- 4.8+8.63+5.2+0.370.74+19.16+9.26+0.824.16.15.91 146.55.93+0.19+2.81.02+3.6+1.7.322.6 一、計(jì)算題 1、直接寫(xiě)出得數(shù)。 0.

6、452.5 0.81.25 0.33.6 0.30.3 100.07 0.31.40.0570.920.4 0.20.26 0.144 0.020.1 1.20.30.20.4 .21. 10035.22.34.50.4 .450.224.250 0.90.52.991 03.52= 12.5410 = 10-1.8-7.2= 0.43+3.57=.5412=0.90.8= 1.05100=10.5= 0.963=1.470.7=5.46=0.16.510= 0.60.8 = 0.56100=30.9= 3.78100=2.50.4= 40.8=3.60.4= 3.215100=0.810=.

7、08100= 1.10.= 12.58=00.04=00.= 1.19= 0.16 1.782.=.60.= 1.20.5-0.= 0.70.01 =2.50.=123.9=1.2581.2=6.60.6=.370+4.6=.92.03.23.51.6+2.40.=.140.92745673= 0.30.3=7.22.8 0.90.01 120.3=.870.7 1340.960.31.50.40.25.50.70.8=82.5161.65.61.01= 80.360.6464.3216.20.172.80.8 .44.2 13.89.9 .42.50.050.82.560.37 1.250.

8、80.5 122.5 1.2333.21.63.53.5319.62 .82.2= 0.7544 0.50.8=8.40.2= 1.60.2.20.3=2.80.30.90.15=1.80.4= .50.55= 0.08100=2.20.11= .464.54= 12.50.8= 0.350.3= 1.45= .84= 19.64=22.54= 2、用豎式計(jì)算 0.3961.2= 0.7560.36= 15.613= 0.1815= 0.02514= .0636= 0.040.12.1522 16.90.13 13.760.8= 6.40.5 3.842.6 .1.553.95.20.64.4

9、80.763 0.20.0168.41.5.255 90.753.683.7 35.44.0.0420.540.760.32 0.250.0462.523.1.0825 0.120.50.16.80.25 2.50.7= 10.7512.5= 0.1251.4 10.13.3=9.04=3.25 3、脫式計(jì)算 2.57.116.129916.125.20.90.9 7.2899+7.28 2615.715.724 3.94+34.30.2 8.91.14.7 8.053.4+7.6 4.3500.642.640.0.2.75.43. 1.24.8 6.584.50.93.69.85-5.4.80.5+1.584.84.80.5 324.90. 86.599