小学小数简便方法计算综合练习题.pdf

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1、学数简便法计算综合练习题福旺学新课标教版数计算题1、直接写出得数。100.07 0.31.4 0.057 0.920.40.20.260.1440.020.1 1.20.30.20.48.21.10035.22 2.3.50.42.45 0.2243.2500.90.523.9910.452.50.81.25 0.33.60.30.303.52=12.548 810=10-1.8-7.2=0.43+3.57=2.5412=0.90.8=1.05100=10.5=0.963=1.470.7=5.46=0.16.510=0.56100=3.78100=40.8=3.215100=0.810=4.0

2、8100=1.10.2=0.60.8=30.9=2.50.4=3.60.4=12.58=500.04=800.3=1.19=0.165 1.782.2=9.60.6=1.20.5-0.4=0.70.01=2.50.4=12 3.9=1.2581.25=6.60.66=5.370+4.63=3.9 2.03 4.23.51.6+2.40.3=2.140.92745673=0.30.3=7.22.80.90.01120.3=2.870.7134 0.960.3 1.50.470.252.50.70.8=82.5 161.6 5.61.01=8（2.50.25）0.360.6464.32164.20

3、.172.80.8 8.44.213.89.92.42.50.050.8 2.560.371.250.80.5 122.5 1.2333.21.63.53.53 19.62 8.82.2=0.754（1.50.25）4 0.50.8=8.40.2=1.60.2 7.20.3=2.80.3 0.90.15=1.80.4=5.50.55=0.08100=2.20.11=5.46 4.54=1.45=2.84=19.64=22.54=2、竖式计算0.3961.2=0.7560.36=15.613=0.1815=0.02514=3.0636=0.040.12 3.842.6 5.763（保留位数）7.

4、1522 90.753.3 3.680.2516.90.13 1.553.9 3.70.01613.760.8=5.20.6 8.41.36.40.5 4.480.4 5.255（保留两位数）35.44.2 0.0420.54 0.760.320.250.046 2.523.4 1.08250.120.50.16 4.80.250.1251.42.50.7=（保留三位数）10.13.3=（商循环数）10.7512.5=（乘法验算）3.259.04=（除法验算）3、脱式计算（能简算的要简算）2.57.14 16.129916.12 5.20.90.97.2899+7.28 4.3500.2642

5、.640.52615.715.724(2.2750.625)0.283.94+34.30.2 2.75.43.9 1.2(9.62.4)4.88.91.14.7 6.584.50.9 3.69.85-5.468.053.4+7.6 2.80.5+1.58 4.8 4.80.5324.90.9(1.250.125)8 56.59956.54.8100.1 7.0910.80.87.09 4.85+0.35 1.412.50.42.58 0.873.16+4.64 9.51010.68（5.2-3.5）1.25 8.7 17.4-8.7 7.4 40.5 0.81 0.18 4.8 （15 2.4）2.13.0.82576.81+6.8199 0.2518540 4.40.83.40.8(9.37+9.37+9.37+9.37)2 5 42.1.254.21.752.376.3+2.373.7 2.51.250.32 3.810.1 2.5(3.80.04)7.69101 3.810.10.2539+0.25 0.12572 460.33+540.33(85.27)1.25 6.81+6.8199 0.2518540 6.80.750.5 3.750.1252.751.53+23.47.2 9.599 13.50.98 12.58.8