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1、小学四五年级数学计算题练习500题四五年级数学计算题练习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+0.8-13.4-7.24.8+8.63+5.2+0.373.07-0.38-1.621.27+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
2、+1.7513.75-(3.75+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+0.3536.54-1.76-8.668-2.45-1.0223.4+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+0.5923.4-0.8+13.
3、432+4.9-8.61.29+3.7+2.715.93+0.49+2.069-2.45-1.6521+0.56+11.33.771.80.02965.220.39.990.021.385.18.7882.6610.050.24.81.7一、乘法：5.62.94.670.952.441.666.19.40.025.66.54.882.95.614.38.92.45.5559.770.02575.79.46817.86.41.54.92.50.886.210.032101.451.30.2791.23.80.7560.185.55.22.223.337.6856.020.36.788二、除法：8
4、5.4416循环小数的用简便方法，除不尽保留2位小数42.67101.70.0017.50.1530.66621.24360.7362343.51235.21739.6240.660.311.971.569.62.938.40.8150.068.20.120.80.976.45.44.731.251.2324214.362.78.336.21.70.032.410.7三、用竖式计算保留两位位小数0.18彩=0.3961.2=0.7560.36=15.6氷3=0.02514=3.0636=0.040.12=3.84X2.6?5.763=7.152290.75法33.680.2516.9&.131.55法93.70.01613.760.8=5.20.68.41.36.40.54.480.435.44.20.0420.540.760.325.25540.250.0462.523.41.08250.120.50.16=4.80.25=0.125X1.4保留两位小数2.5&7=保留三位小数10.1金.3=商用循环小数10.7512.5=用乘法验算当前位置：文档视界小学四五年级数学计算题练习500题小学四五年级数学计算题练习500题