人教版五年级上册计算题库.ppt

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1、3.6×1023.72×3.5＋6.28×3.536.8－3.9－6.115.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.5232＋4.9－0.9 4.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.0925.48－(9.4－0.52)4.2÷3.5320÷1.25÷8 18.76×9.9＋18.763.52÷2.5÷0.43.9－4.1＋6.1－5.95.6÷3.59.6÷0.8÷0.44.2×99＋4.2 17.8÷(1.78×4)4与2.45的积，乘1.

2、2，结果是多少？1.35乘2.6的积的5倍是多少？比4.7的1.5倍少3.05的数是多少？0.49÷1.41.25×2.5×323.65×10.1 15.2÷0.25÷40.89×100.1146.5－(23＋46.5)7.06×2.4－5.72.33×0.5×40.65×1053.76×0.25＋25.84.8×0.251.2×2.5＋0.8×2.5商保留一位小数。（25）14.36÷2.7≈（26）8.33÷6.2≈（27）1.7÷0.03≈商保留二位小数。（28）32÷42≈（29）1.25÷1.2

3、≈（30）2.41÷0.7≈能简算的就简算。2.37×6.3+2.37×3.7=2.5×1.25×0.32=2.4÷2.5÷4=3.8×1.01=5.95÷(1.24+0.46)×5=脱式计算。（能简算的要简算）5.5×8.2＋1.8×5.5=0.25×0.89×4=8.8×1.25=2.35×4.64＋5.36×2.35=51.36×0.8=2.6×10.1=4.7×1.36≈（得数保留一位小数）5.63÷6.1≈两位3.8÷4.5≈（得数精确到百分位）4.5×98=202×1.55÷3.8≈（省略百分位后面的尾数

4、）14.2÷11=0.59×0.027＝6.72÷6.4＝93.6÷0.052＝0.39÷7.8＝1.03×5.9＝0.86×1.2＝26÷0.13＝210÷1.4＝2.688÷0.56＝10.625÷25＝126÷45＝10÷25＝2.7×5.4×3.93.6×9.85-5.468.05×3.4+7.66.58×4.5×0.92.8×0.5+1.583.83×4.56＋3.83×5.444.36×12.5×89.7×99＋9.7 27.5×3.7－7.5×3.78.54÷2.5÷0.40.65×1013.2×

5、0.25×12.5 (45.9－32.7)÷8÷0.1253.14×0.68＋31.4×0.0325.6÷1.25÷0.8÷2.5÷0.47.2×0.2＋2.4×1.4