小数乘除法计算题有标准答案(共6页).doc

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1、精选优质文档-倾情为你奉上小数乘除法计算题85.441642.847101.7967.515230.465.34 6.12 11.3 4.5 38.421.24360.7362343.51235.21739.6240.59 0.032 3.625 5.03 1.656.210.032101.451.30.2791.23.80.7560.18207150 190 24 4.20.660.311.971.569.62.938.40.8150.062.2 7.98 2.4 48 2505.62.93.771.80.02965.220.39.990.0216.24 6.786 1.92 1.566 0

2、.19984.670.952.441.6666.19.4320.0025.66.54.203 12.2 10.1626 0. 36.44.882.95.614.38.92.45.5559.770.0214.152 24.123 21.36 302.5 0.19541.3845.18.78832.6610.0590.24.2681.77.0584 728.74 158.6 0.0118 7.2556 575.79.462.8517.86.41.54.92.50.88324.926.961 113.92 7.35 2.25.5555.22.223.337.6588536.020.356.78828

3、.8867.3926 650.93 10.806 454.24（循环小数的用简便方法，除不尽保留2位小数）：8.20.120.80.976.45.44.731.251.268.330.89 14.151.57 1.04324214.362.78.336.21.70.032.410.70.76 5.32 1.34 56.67 3.44用竖式计算0.3961.2= 0.7560.36= 15.613=0.1815= 0.33 2.1 202.8 2.70.02514= 3.0636=0.040.12 3.842.6 0.35 110.16 0.0048 9.9845.763 7.1522 90.7

4、53.3 3.680.2517.28 157.3 27.5 0.9216.90.13 1.553.9 3.70.01613.760.8= 130 0.397 0.059211.0085.20.6 8.41.36.40.5 4.480.4 3.12 10.92 3.2 1.792 5.25535.44.2 0.0420.54 0.760.3226.25 148.68 0.02268 0.24320.250.046 2.523.4 1.0825 0.120.50.16 0.0115 8.568 27 0.0096 4.80.25 0.1251.4（保留两位小数）1.20.182.50.7= （保留

5、三位小数） 10.13.3= （商用循环小数）3.571 3.10.7512.5= （用乘法验算） 3.259.04= （用除法验算）0.8629.383、脱式计算（能简算的要简算）2.57.14 16.129916.12 5.20.90.971 1612 5.587.2899+7.28 4.3500.2 642.640.5728 43 62.682615.715.724 (2.275 0.625)0.28 3.94+34.30.2 785 0.812 10.81.2(9.62.4)4.88.91.14.7 2.75.43.9 3.69.85-5.46 1 46.013 56.862 308.

6、053.4+7.6 6.584.50.9 2.80.5+1.5834.97 26.649 2.98324.90.9 4.84.80.5 (1.250.125)836 2.4 94.8100.1 56.59956.5 7.0910.80.87.09480.48 5650 70.94.85 + 0.35 1.4 8.7 17.4 - 8.7 7.412.50.42.58 5.1 87 1000.873.16+4.64 9.5101 0.68 （5.2 -3.5） 1.25 7.3892 959.5 0.540.5 0.81 0.18 4.8 （15 2.4） 9 306.81+6.8199 0.2

7、518540 4.40.83.40.8681 1850 0.8(9.37+9.37+9.37+9.37) 25 2.376.3+2.373.7 93.7 23.72.51.250.32 3.810.12.5(3.80.04) 7.69101 1 38.38 0.38 776.693.810.10.2539+0.25 0.12572 460.33+540.3338.38 10 9 33(85.27) 1.25 6.81+6.8199 0.251854052.7 681 18506.80.750.5 3.750.1252.75 1.53+23.47.210.2 27.25 4,789.599 13.50.98 12.58.8940.5 13.23 110专心-专注-专业