小学小数乘除法计算题.doc

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1、小数乘法：5.62.9 3.771.8 0.02965.220.3 9.990.02 4.670.952.44 1.6666.1 9.4320.0025.66.5 4.882.9 5.614.38.92.4 5.555 9.770.021.3845.1 8.7883 2.6610.0590.2 4.2681.7 575.79.462.85 17.86.4 1.54.92.50.88 5.5555.2 2.223.337.65885 36.020.3 56.788除法：85.4416 42.847 101.7967.515 230.46 21.24360.73623 43.512 35.2173

2、9.624 6.210.03 2101.451.30.27 91.23.8 0.7560.180.660.3 11.971.5 69.62.938.40.8 150.06除不尽保留两位小数：8.20.12 0.80.9 76.45.44.73 1.251.2 324214.362.7 8.336.2 1.70.03用竖式计算7.1522 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 5.25535.44.2 0.0420.54 0.760.320.250.046 2.523.4 1

3、.0825 脱式计算（能简算的要简算）2.57.14 16.129916.12 5.20.90.9 7.2899+7.28 4.3500.2 642.640.52615.715.724 (2.275 0.625)0.28 3.94+34.30.2 1.2(9.62.4)4.8 8.91.14.7 2.75.43.9 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.58324.90.9 4.84.80.5 (1.250.125)84.8100.1 56.59956.5 7.0910.80.87.094.85 + 0.35 1.4 8.7 17.4 - 8

4、.7 7.412.50.42.58 0.873.16+4.64 9.5101 0.68 （5.2 -3.5） 1.25 40.5 0.81 0.18 4.8 （15 2.4） 6.81+6.8199 0.2518540 4.40.83.40.8 (9.37+937+937+937) 25 2.376.3+2.373.7 2.51.250.32 3.810.12.5(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 0.25185406.80.750.5 3.750.1252.75

5、1.53+23.47.29.599 13.50.98 12.58.8 口算0.61.2= 0.840.6= 4.50.1=150.4= 0.10.5= 2.87=1000.01= 1.43= 0.728=60.03= 0.50.6= 400.9=40.5= 72.1= 8.89+0.1=240.25= 0.10.01= 2.40.8=90.4= 100.01= 30.2-3.02=4.3-0.25= 1-0.82= 9.60.3=2.60.01= 025.4= 4.80.4=7.22.8= 122.5 2.630.370.716160.2= 0.960.3 2.50.4=1.42.54 82.

6、5 61.2=9.22.3= 244564 0.360.6440.25= 1.85= 30（2003）计算下面各题(能简算的要简算)7.0523.7+7.0576.30.1253.22.512.81(1.5+7.81)8.72.6+6.48.7+8.7102511254.53.612.253.10.856.17（1.91.90.9）（3.82.8）2.651.71.351.7列竖式计算，得数保留一位小数。1.21.4 0.378.4 3.142.8 0.851.12 0.865.4 0.152.344014 26.3731 45.538156035 4.82.3 1.553.97.22.1 3.877 146.4135.636.1 2.840.03 0.380.1326.3731 3242 2.840.034.823 0.3820.13 4.24.5