小数简便计算练习题400道Word文件下载.docx

1、12.63.287.45.72 15.0478.925.047 80（8.246.31.76） 4.8+2.5-1.827.62（7.624.85） 53.8+61.3-23.8 12.68-4.69+1.32 11.74+（8.06-5.8）94.13-（28.9-1.87） 25.3+6.9+13.1 6.32-1.94+12.68 25.14-13.49-6.5136.28-（25.7+6.28） 1-0.45-0.55 13.27-（2.46+5.27） 2.54-8.16+9.46+9.168.56+7.5+2.44-2.5 25.403-（5.403+12.5） 18.3+2.55

2、+21.7+1.45 73.26-（18.9+3.26）12.92+2.8+6.08+7.2 27.3+73.2+72.7 2.54-0.7-0.54 72.81-8.6+5.19小数简便计算练习三72.43-（6.8+12.43） 0.6+7.91+3.4+0.09 28.5-（2.1-0.63-0.37） 100-36.83-47.1789.45+2.97-6.45 7.5+8.3+1.7+2.5 2.07+4.58+0.93+5.42 56.12-23.18-16.128.57-2.47+3.43+5.47 15.8-（5.8+7.4） 15.25-3.1+0.75-4.9 3.45+8

3、.7+16.55+0.38.43+2.97+0.57+0.035.02-3.5+0.982.88+2.3+4.736.78-21.45-13.553.8+1.37+6.2+12.631.88+2.3+3.717.05（2.056.4）3.73+5.28+4.27+4.725.17-1.8-3.27.834.02-3.5+0.9813.7+0.98+0.02+4.342.522.173.8-0.46-1.5474+2.7+2.3+2625.4-15.3+7.714.7+1.98+0.02+5.315.4+2.7-14.45.85+1.89+2.15 24.8+14.6+15.4 5.851.75

4、0.2527.3+73.2+72.7小数简便计算练习四42.522.177.83 3.8+1.37+6.2+12.63 15.28+28.99+20.72 9.42-4.98+0.58100.432.57 14.9（5.24.9） 4.370.281.635.72 11.26+6.49-5.268.42+8.46+8.54+8.58 6.94.83.1 0.456.223.78 15.89（6.755.89）3.687.562.68 7.852.340.854.66 35.61.815.67.25.272.860.661.63 13.354.682.65 73.81.6413.85.3625.

5、48（9.40.52） 8.94.16.15.9 15.02-6.8-1.025.93+0.19+2.074.8+8.63+5.2+0.37 1.76+0.19+3.24 1.27+3.9+0.73+16.1 7.54.96.50.12+2.66+0.88 2.57+0.45+7.43 5.271.63.45.7+0.6-5.78.48（8.48+0.9） 4.32-2.5+0.68 21.32-（6.32+8.3） 3.55-1.86+2.45小数简便计算练习五5.6+2.7+4.4 9.14-1.43-6.57 4.8+2.7+5.2+6.3 8.90.461.13.5429.360.25

6、8.75 0.380.362.62 51.278.661.34 18.5-（8.5+7.9）18.75+76.3+1.25+23.7 100-25.64-34.36 8.5+7.6-8.5+2.4 6.37-2.5-1.5（2.524+1.389）-（0.524+1.389） 45.75-（15.75-3.87） 4.08-3.5+3.92 5.26+31+1.74-1947.67-（1.67+5.26） 6.734.60.4 4.370.92.63 6.432.82.218.519.030.97 326.4 十 68 十 3.6 15.5 十 26.5 一 20.410.64-5.88+2.

7、3610.27十0.48.27 24.6一3.985.46.02 64.318.7515.711.256.734.60.4 4.370.92.63 6.432.82.2 18.5-（8.5+7.9）18.75+76.3+1.25+23.7 8.5+7.6-8.5+2.4 3.9+0.1-3.9+0.1 3.8+1.37+6.2+12.63小数简便计算练习六5.04-2.5+0.96 22.8-5.23-9.77 23.66+4.34-3.66 5.6-0.81-1.1915.9+3.26+4.1 67.2+41.5-71.39 10.75+0.4-9.75 16.23+8.92-7.2350-

8、28.5-13.5 13.79-9.6+10.21 1.5+0.68-1.5 72.8-8.6+5.220.8-（15.8-3.9） 32.5+（5.5+6.13） 3.52-（4.66-3.52） 0.9+1.08+0.92+0.15.26+3.43+0.74 5.6+2.7+4.4 20.15+7.62+7.85 51.27-8.66-1.3448.14-2.43-7.57 18.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.754.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.2 15.13+4.92-5.133.9

9、8-1.5+6.02 4.8+1.2-4.8-1.2 30.99-（8.5+15.99） 72.6-（22.6+3.45）36.06-（5+6.06） 5.85+1.89+2.15 24.8+14.6+15.4 5.851.750.25小数简便计算练习七0.66+7.85+0.158.025+3.1+12.175+0.94.13-0.6-1.44.13-（4.13+1.4）8.07-3.27-0.73-1.07 6.45-（1.68+2.45） 9.15+4.8-9.15-4.85.23+10.9-5.23+10.12.23-（1.23+0.86）6.72-3.28-1.720.45+6.37

10、+4.553.94.16.15.9 147.322.68 25.48（9.40.52） 9.43-（6.28-1.57）23.65-（3.07+3.65）15.6+2.7-14.6146.5（2346.5） 36.541.764.54 3.070.381.62 324.90.95.38+7.85-5.38 24.8+14.6+15.4 5.851.750.25 5.85+1.89+2.1567.34+21.56+2.66+8.44 0.74+19.18+9.26+0.82 6.02+3.6+1.98 15.75+3.590.59+14.255.6-4.34+7.341.283.485.7-（1

11、5.3-4.3）9.5+8.13-6.1325.4-（15.4+7.7）3.6小数简便计算练习八5.8+12.37+4.2+2.63 3.758.643.36 17.839.57.830.5 324.90.93.458.716.551.3 27.385.342.624.66 6.25.182.8 15-6.49+8.4915.35（5.357.2）3.631.2517.378.7540.02-13.5+0.988.5+7.6-8.5+2.4（2.6+1.3）-（0.6+1.3） 23.75-8.54-3.46 66.868.661.34 1.25+16.2-0.255.54+3.7+4.46+

12、10.3 17.83-9.5-7.83-0.5 73.81.6413.85.36 3.72+3.56.2813.75（3.756.48） 7.852.340.854.66 3.822.90.189.1 0.39+0.36+3.645.171.83.2 7.140.532.47 6.94.83.1 0.456.223.7815.89（6.755.89） 4.025.40.98 3.687.562.68 3.822.90.189.15.171.83.2 5.272.860.861.73 13.852.340.854.66 3.90.532.47小数简便计算练习九4.02-3.5+0.98 5.17

13、-1.8-3.2 13.7+0.98+0.02+4.3 0.38+0.36+2.645.26+3.43+0.74 1.29+3.7+0.71+6.3 3.9+4.08+3.92+1.1 5.6+2.7+4.49.13+4.85-6.13 10.75+0.4-9.75 9.14-1.43-4.57 75+2.7+2.3+2551.27-8.66-1.34 3.6+8.59+6.4 25.8+7.5+2.5 7.3+2.5+5.7+17.59.6+6.7-9.6+3.3 2.11+0.25+0.89+0.75 8.15+1.99+3.01+0.85 3.17-2.9+1.8311.08+9.05+

14、0.950.02 5.4+1.8-3.4-0.8 6.180.870.133.82 26.2-4.46-3.5435.64.83.6 73.83.96.1 15.02-6.8-1.02 36.81.6413.85.3666.868.661.34 324.16.15.9 37.61.815.67.2 54.90.925.4（9.40.52） 7.144.682.86 13.75（3.756.48） 9.42（1.26.42）小数简便计算练习十37.8（7.82.9） 6.275.081.73 10.33（3.755.33） 9.42（1.26.472）3.7-1.56+4.3-2.44 9.66

15、-4.25+0.34 4.36+14.8+5.64+5.2 38.2-7.09-20.6-2.311.2+2.5+1.8 0.5+1.5+1.5+0.5 5.26+3.77+1.74 0.25+0.15+0.75+0.8527.85-（7.85+3.4） 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） 3.687.562.687.852.340.854.66 35.61.815.67.2 3.822.90.189.1 9.64.83.67.140.532.47 5.272.860.661

16、.63 13.354.682.65 73.81.6413.85.3666.868.661.34 36.83.96.1 324.90.9 25.48（9.40.52）6.94.16.15.9 15.02-6.8-1.02 9.79-（4.94+3.79） 21.88+3.28+0.12+0.72小数简便计算练习十一324.90.9 146.5（2346.5） 9.43-（6.28-1.57） 4.8+8.63+5.2+0.375.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.436.02+3.6+1.98 0.13

17、4+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.53.070.381.62 1.293.72.716.3 82.451.55 3.251.790.591.7523.40.813.47.2 3.20.364.81.64 5.78+0.84+0.16 1.27+3.9+16.10.19+4.93+2.81 3.822.90.189.1 9.64.83.6 5.272.860.661.6313.354.682.65 5.52-0.55-0.45 3.1+（25.78+6.9） 34.79（15.1+4.79）12.7-4.8-5.2 7.140.532.47 2.44

18、.851.4 102.576.439.40.36.4 19.25.452.55 15.753.590.59 34.82（4.8215.2）小数简便计算练习十二5.851.892.15 14.152.91.85 9.025.40.98 0.4566.223.7810.93.740.9 14.38.661.34 15.861.644.865.36 42.514.615.49.32.056.70.95 6.9（6.755.9） 4.31.425.78.6 66.860.724.1473.822.177.83 24.814.55.5 11.94.83.1 6.28-（4.41-3.72）（3.28+6

19、.54）42.522.177.833.8+1.37+6.2+12.6311.28-5.851.750.25 7.682.741.26 9.05+2.77+2.85 24.8+14.6+15.44.78-1.28+1.22-0.72 46.4-14.54.6+34.5 5.37-（5.43-6.63） 94.7+（37.2-44.7）45.55-（6.82+15.55） 34.52-17.87-12.23 4.57+3.35+3.43+2.65 23.75-8.64-3.363.45+8.7+16.55+1.3 3.6-2.19+3.19 21.63-（8.5+9.63） 4.34-（1.26+2.34）