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1、4.8+8.63+5.2+0.373.07-0.38-1.62四五年級(jí)數(shù)學(xué)計(jì)算題練習(xí)25.6-(0.23+5.6)-1.7713.75-(4.75+6.48)7.83+2.34-0.83+6.663.82+2.9+0.18+9.125.48-(9.4-0.52)35.6-1.8-15.6-7.25.93+0.19+2.817.3+2.7-7.3+2.748.4+2.78+51.6-0.7823.4+0.8-13.4-7.21.27+3.9+0.73+15.15.84-1.8-3.2132.44-(58.74+19.44)7.5+4.8-6.53.25+2.76+1.7513.75-(3.75+

2、6.48)7.14-0.53-2.4713.45-4.68+2.5547.8-7.45+8.236.8-4.5+6.9849.8-9.6+8.815.2-6.8-3.451.76+0.65+3.240.134+2.66+0.87.5+4.9-6.33.45+1.79+0.654.85+8.63+0.371.76+3.44+0.354.85+8.63+0.371.76+3.44+0.3536.54-1.76-8.668-2.45-1.0223.4+3.4-0.236.02+3.6+1.983.07-0.38-1.627.5+4.9-6.536.8-3.9-6.883.285+1.79+0.593

3、6.8-3.9-6.883.285+1.79+0.599-2.45-1.6521+0.56+11.39-2.45-1.6521+0.56+11.323.4-0.8+13.432+4.9-8.61.29+3.7+2.715.93+0.49+2.061.385.18.7882.6610.050.24.81.71.385.18.7882.6610.050.24.81.7、乘法：5.62.93.771.80.02965.220.39.990.024.670.952.441.666.19.40.025.66.54.882.95.614.38.92.45.5559.770.02575.79.46817.8

4、6.41.54.92.50.88575.79.46817.86.41.54.92.50.886.210.032101.451.30.2791.23.80.7560.186.210.032101.451.30.2791.23.80.7560.185.55.22.223.337.6856.020.36.788二、除法：循環(huán)小數(shù)的用簡(jiǎn)便方法，除不盡保留2位小數(shù)）85.441642.67101.70.0017.50.1530.66621.24360.7362343.51235.21739.6240.660.311.971.569.62.938.40.8150.060.660.311.971.569.6

5、2.938.40.8150.068.20.120.80.976.45.44.731.251.2324214.362.78.336.21.70.032.410.7三、用豎式計(jì)算保留兩位位小數(shù)）0.3961.2=0.7560.36=15.6氷3=0.18彩=0.02514=3.0636=0.040.123.84X2.60.02514=3.0636=0.040.123.84X2.65.763=7.152290.75法33.680.2516.9&.131.55法93.70.01613.760.8=5.20.68.41.36.40.54.480.45.255435.44.20.0420.540.760.

6、320.250.0462.523.41.08250.250.0462.523.41.08250.120.50.16=4.80.25=0.125X1.4保留兩位小數(shù)）2.5&7=保留三位小數(shù)）10.1金.3=數(shù)）商用循環(huán)小10.7512.5=用乘法驗(yàn)算）3.259.04=（用除法驗(yàn)算）用簡(jiǎn)便方法計(jì)算25X86.2X45X86.2X0.436X15X236X1.5X0.245X10245X10.234X27+34X7334X2.7+34X7.386X99+868.6X99+8.6125X881.25X8.86.94.83.10.4566.223.7815.89(6.755.89)6.94.83.1

7、0.4566.223.7815.89(6.755.89)4.025.40.985.171.83.213.75(3.756.48)3.687.562.687.852.340.854.6635.67.21.815.63.822.90.189.19.64.83.67.140.532.475.272.860.661.6313.354.682.6573.81.6413.85.3647.87.45+8.80.398+0.36+3.6415.75+3.590.59+14.2547.87.45+8.80.398+0.36+3.6415.75+3.590.59+14.254.8100.156.59.956.57

8、.0910.80.87.094.8100.156.59.956.57.0910.80.87.0966.868.661.340.2516.2M(1.250.125)33.6023.723.56.283.536.83.96.115.613.115.615.62.14.87.8780.52324.90.925.48(9.40.52)4.235320-1.25-825.48(9.40.52)4.235320-1.25-818.769.9+18.763.52-2.5-0.43.94.16.15.95.6-3.59.6-0.8-0.44.2994.217.8-(1.784)0.49-1.41.252.53

9、23.6510.115.2-0.25豈0.89X100.1146.5（2346.5）15.2-0.25豈0.89X100.1146.5（2346.5）7.20.22.41.48.91.017.74（2.81.3）1.52.267.20.22.41.48.91.017.74（2.81.3）1.52.263.834.56+3.835.444.362.59.79+9.727.53.77.53.78.54-2.5-0.40.651013.20.2512.5（45.932.7）-80.1253.140.6831.40.0325.6-1.25-0.8-2.5-0.4181.8-0.125.812.79.9

10、1.27181.8-0.125.812.79.91.271010.87-0.918710.716.1-15.110.70.791991010.87-0.918710.716.1-15.110.70.791993.92.7+3.97.321(9.33.7)5.615.02-6.8-1.025.411-5.42.316+2.323+2.39.43-(6.28-1.57)3.654.736.50.374657238613.70.253.7-42.229.9+6.666.74.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.244.8+8.63+5.2+0.375.

11、93+0.19+2.811.76+0.195+3.243.070.381.621.293.72.716.382.451.553.070.381.621.293.72.716.382.451.552.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.54.96.53.251.790.591.7523.40.813.47.20.324033.251.790.591.7523.40.813.47.20.324031.288.60.728.612.50.960.810.49.60.351

12、.288.60.728.612.50.960.810.49.60.353.20.364.81.641.233.40.236.60.253612.7（3.70.84）36.541.764.540.250.7347.60.80.27.60.851990.258.540.8X(4.31.25)3.12+3.12928.610128.60.8X(4.31.25)3.12+3.12928.610128.62.50.25)0.49.161.50.59.163.63.60.52.50.25)0.49.161.50.59.163.63.60.52.311.20.50.8615.70.8614.72.41021

13、47.322.682.64+8.67+7.36+11.3370八2863.4-2.5-0.44.9-.43.9-(1.35)63.4-2.5-0.44.9-.43.9-(1.35)3.29+0.73+2.273.29-0.73-2.277.5+2.5-7.5+2.53.29+0.73+2.273.29-0.73-2.277.5+2.5-7.5+2.5(7.7+1.54)-).72.52.42.7-515-(0.15?.4)0.35.252X0.832.4X.9+0.1X2.415P.254.5-1.84.2930-0.6-57.325-3.29-3.3257.325-(5.325+1.7)7.

14、325-(5.325-1.7)7.325-3.29-3.3257.325-(5.325+1.7)7.325-(5.325-1.7)0.254吒).2543.59.93.59+3.50.254吒).2543.59.93.59+3.53.29+0.73-2.29+2.273.29?.250.125.80.25?.280.1253.2.535X40.23.5101-3.53.5.9+3.5.13.5.7+35.733.5101-3.53.5.9+3.5.13.5.7+35.733.5.7-3.57(32+5.6)&83.50.6-0.50.64.9-3.57P.25-47-0.1257.35-(7.

15、35.25)7.35-(7.35寵5)3.070.381.621.29+3.7+2.71+6.382.451.553.070.381.621.29+3.7+2.71+6.382.451.557.6.8+0.2.60.85990.25.57.6.8+0.2.60.85990.25.53.25+1.790.59+1.7523.40.813.47.20.324033.2+0.36+4.8+1.641.23+3.46.60.23+0.253612.7(3.7+0.84)36.541.760.25.734.541.288.6+0.728.612.5.960.810.49.6.351.288.6+0.72

16、8.612.5.960.810.49.6.35(2.50.25)X0.49.16X1.50.5X9.163.63.6X0.5(2.50.25)X0.49.16X1.50.5X9.163.63.6X0.50.8X(4.3.25)3.12+3.12X928.6X0128.6(4.23+6.17)X0.80.86X5.70.86X14.72.4X021.288.6+0.728.612.5.960.810.4147.322.64+8.67+7.36+11.331.288.6+0.728.612.5.960.810.4147.322.64+8.67+7.36+11.33(2.50.25)X0.49.16

17、X1.50.5X9.163.63.6X0.5(2.50.25)X0.49.16X1.50.5X9.163.63.6X0.59.6.352.31X.2X.52.680.35.252X).832.4X.9+0.12.415-).250.35.252X).832.4X.9+0.12.415-).254.5丸84.2-3.5930P.6-63.4-.5-.44.9-.43.9-(1.35)(7.7+1.54)-).72.52.42.7詔570吃815-(0.150.4)4.25-2.5.9+0.1770吃815-(0.150.4)4.25-2.5.9+0.173.29+0.73+2.273.29-0.

18、73-2.277.5+2.5-7.5+2.57.325-3.293.3257.325-(5.325+1.7)7.325-(5.3251.7)3.29+0.73-2.29+2.273.290.2540.125X8.80.250.280.125.2.535X40.2(9OSIA9col9col4033.2+0.36+4.8+1.641.23+3.46.60.23+0.253612.7(3.7+0.84)36.541.760.25.734.547.6.8+0.2.60.85990.25.51.288.6+0.728.612.5.960.810.49.6.351.288.6+0.728.612.5.9

19、60.810.49.6.35(4.23+6.17)?.80.865.70.8614.72.4020.8X(4.3.25)3.12+3.12928.60128.62.31.2.5147.322.682.64+8.67+7.36+11.33(2.50.25)0.49.16.50.59.163.63.6?.5(2.50.25)0.49.16.50.59.163.63.6?.5(7.7+1.54)-).72.52.42.7詔5(7.7+1.54)-).72.52.42.7詔54.5T.84.2-.5930-).6-63.4-2.5-0.44.9-.43.9-(1.3X)(2.50.25)0.49.16

20、.50.59.163.63.6?.5(2.50.25)0.49.16.50.59.163.63.6?.50.35.252X0.832.4X.9+0.1X2.415P.2570吃815-(0.150.4)4.25-2.5.9+0.1770吃815-(0.150.4)4.25-2.5.9+0.17138435738498+397502399634513755+12556302X99+145X89+302145X21、用簡(jiǎn)便方法計(jì)算1、368+2649+13512、89+101+1113、24+127+476+4、4002735731275、327+(96127)6、72X988、999+99+97、4421031429、67X5X210、25X(78X4)9、67X5X210、25X(78X4)11、72X12512、9000-125八813、400八2514、25X3616、76X10218、99X3515、103X2717、3600-25-427X4419、(2512)X420、56X2710)(55555555X5)X12511)125X(840)X25(12)9949X9910)(55555555X5)X12511)125X(840)X25(12)9949X9921、56X99+5622、125X25X8X46)374205

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