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1、.-五年级小数乘除法计算题复习一、计算题（30 分）1、直接写出得数。0.452.50.81.250.33.60.30.3 100.070.31.40.0570.920.4 0.20.260.1440.020.11.20.30.20.48.21.810035.222.342.50.42.450.2243.2500.90.523.99103.5212.58810=10-1.8-7.2=0.43+3.57=2.5412=0.90.8=7.5x-3x=a+3a+7a=1.05100=10.5=0.963=1.470.7=5.46=0.16.510=0.56100=3.78100=40.8=3.215
2、100=0.810=4.08100=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=123.9=1.2581.25=6.60.66=5.370+4.63=3.92.034.23.51.6+2.40.3=2.140.92745673=0.30.3=7.22.80.90.01120.3=2.870.7-可修编.-1340.960.31.50.470.252.50.70.8=82.5161.65.61.01=8（2.50.25）0.360.6
3、464.32164.20.172.80.88.44.213.89.92.42.50.050.82.560.371.250.80.5122.51.2333.21.63.53.5319.628.82.2=0.754（1.50.25）40.50.8=8.40.2=1.60.27.20.3=2.80.30.90.15=1.80.4=5.50.55=0.08100=2.20.11=5.464.54=12.50.8=0.350.3=1.45=2.84=19.64=22.54=2、用竖式计算0.3961.2=0.7560.36=15.613=0.1815=0.02514=3.0636=0.040.123.8
4、42.65.763（保留一位小数）-可修编.-7.152290.753.33.680.2516.90.131.553.93.70.01613.760.8=5.20.66.40.54.480.435.44.20.0420.540.250.0462.523.40.120.50.164.80.252.50.7=（保留三位小数）10.7512.5=（用乘法验算）-8.41.35.2550.760.321.08250.1251.4（保留两位小数）10.13.3=（商用循环小数）3.259.04=（用除法验算）-可修编.-3、脱式计算（能简算的要简算）2.57.1416.129916.125.20.90.
5、97.2899+7.284.3500.2642.640.52615.715.724(2.275 0.625)0.283.94+34.30.21.2(9.62.4)4.88.91.14.72.75.43.93.69.85-5.468.053.4+7.66.584.50.92.80.5+1.58324.90.94.84.80.5(1.250.125)84.8100.156.59956.57.0910.80.87.094.85+0.35 1.48.7 17.4-8.7 7.412.50.42.580.873.16+4.649.5101-可修编.-0.68（5.2-3.5）1.2540.5 0.81
6、0.184.8（15 2.4）213082576.81+6.81990.25185404.40.83.40.8(9.37+937+937+937)2542.1.1.1.752.376.3+2.373.72.51.250.323.810.12.5(3.80.04)7.691013.810.1-可修编.-0.2539+0.250.12572460.33+540.33(85.27)1.256.80.750.59.599-6.81+6.81993.750.1252.7513.50.980.25185401.53+23.47.212.58.8-可修编.-二、解方程：54-X=247X=49126X=42
7、13+A=28.52.4X=26.47.5x 3x=1851.3-2x=5.524x+6x=63.65.6x+4.4x=5.2三、列式计算1、20 减去 0.8的差除以 4 个 0.3的和，商是多少？-可修编.-2、一个数的 2.6 倍加上 9，和是 35，求这个数。（用方程解）3、1.2 与 4 的积，减去 6.除以 5 的商，差是多少？4、2.1 除以 35 的商，加上 4.与 0.45 的积，和是多少？5、一个数的 3 倍加上 6 与 8 的积，和是 84，求这个数6、4.08 除以 0.6 的商，再乘以 5.，积是多少？7、甲、乙两数的积是 25.2，甲数是 56，乙数是多少？8、把 0.47 平均分成 7 份，每份是多少？9、1.25 乘 4.2 减 5，差是多少？-可修编.-10、比 4.7 的 1.5 倍多 3.05 的数是多少？0.430.28=8.90.05=5.2229=-6.450.73=3.080.43=18.723.6=4.60.6=26.7=13.953.1=-可修编.1.5