五年级数学计算题

五上册计算题一、用竖式计算：0.37×2.4＝1.55÷3.8≈（保留一位小数）56.5×0.24＝93.6÷0.052＝0.59×0.027＝6.72÷6.4＝1.24×0.15＝0.39÷7.8＝1.03×5.9＝3.8÷4.5≈（得数保留两位小数）0.86×1.2＝5.63÷6.1≈（得数保留两位小数）7.6×0.910.5×0.34.25×0.18（得数保留一位小数）0.3÷0.12104.78÷26(得数保留一位小数)34.2÷0.8验算3.5×16=0.19×7.5=验算227.8÷0.34=7.525÷0.38=(得数精确到百分位)36×5.5　18×3.06　　3.45×210.28×0.25150×0.120.87×1.50.03÷0.12=验算：52.78÷26=验算：1.86×0.473.81÷7(得数保留两位小数)0.4×0.076　　1.5×0.062　　6.5×0.04二、递等式计算，能简便的用简便方法计算。5.5×8.2＋1.8×5.50.25×0.89×44.8×0.988.8×1.257.65÷0.85+1.123.4÷5.2×3.22.35×4.64＋5.36×2.3512.5×1.36×0.82.6×10.14.4×0.2525.2÷12+2.943.5÷15－1.451.87×3.05＋8.13×3.051.25×0.45×0.89.8×3.70.44×2.52.25×0.4+0.631.04÷3.2－4.73.26×10.1－0.1×3.260.125×9.8×8102×4.82.4×2.5（27.8－15.6）×0.89.12÷57＋4.8412.6×9990÷25÷41.39×6.1＋3.9×1.390.25×1.6×0.410.1×1.92.4×1.250.48×20.2－4.242.72÷0.48＋0.521.2×2.5＋0.8×2.52.33×0.25×4102×0.458.8×1.257.06×2.4－5.70.21÷1.4＋2.68.7×10.17.06×2.4－5.76.35÷0.8÷1.2523.4÷7.8－2.35.4+4.6×150.84÷7+0.36×82.5×6.8×0.42.5×3.2×1.2521.36÷0.8×2.95.65×1.8+4.35×1.82.5×1.25×3.263×10.19.76×0.72－0.76×0.72+0.72三、解方程1.8x=72x÷5.4=1.2x－32.5=9491÷X=1.31.2x÷2=60（x－4）×0.5=104X+1.2×5=24.48X－5X=276x－10.8=13.25.5＋X=8X－6=8.43X=2.70.4X=16X÷7=0.311X=1.19X÷4=1353X－1.6=32.61.5×30－5X=102X＋1.5X=42（X－3）÷2=7.58（X－6.2）=41.61.8x=72x÷5.4=1.2x－32.5=94x+4.2=14.816+8x=404x－3×9=295X＋3X=33.6X－0.36X=165.4X＋X=122(3+x)=9.20.85(x－6)=5.10.5x+0.8x=0.395.4x+x=12.8_1444117825.unknown_1444117826.unknown_1444117827.unknown_1444117828.unknown_1444117829.unknown_1444117830.unknown_1444117831.unknown_1444117832.unknown