青岛版五年级上册数学计算专项练习题.docx

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1、青岛版五年级上册数学计算专项练习题一、口算0.9÷0.01=7÷0.25=8.5×0.1=20÷0.5=9×0.2＋0.8=1＋0.45=7×0.9=1.2÷3=2.4×0.6=20－6.8=0.84÷0.2=3.5＋3.3×3=0.4＋1.5=8.6－7=0.4×0.9=2.5×4=3.9÷3.9=2.4÷0.08=0.25×4×6=9.6÷0.3=2.3＋4.7=0.5×1.1=0×12.5=5.6÷0.8=3.5×0.2=0÷5.55=0.36÷0.09=4.3－2.3=23.7÷10=1×9.9=2.8÷0.4=0.213×0.05=9.8÷0.7=1.8－0.5=3.

2、2÷32=1.5－0.06=6.2－0.5=0.48÷12=3÷0.5=3.2－2.6=3.2－2.9=21÷0.3=213×5=21.3×5=2.13×0.5=5a－a=1.2×0.4＋1.3×0.4=0.1×0.1=5.4＋7=0.6×0.9=0.78×100=1.85×0=5×0.4＋5×1.6=0.39÷0.03=0.37×10=0.37×100=0.37×1000=25×4=2.5×4=0.25×4=2.8＋8=5×12=5×1.2=5×0.12=13×3=1.3×30=0.13×300=8×0.5=2.4÷4=4.5÷5=12.5＋0.5=16×0.5=1.2÷3=

3、0.3×0.7=7.2÷0.8=24.8－8=3.2÷4=0.23×3=4.8÷6=5.6÷7=0.25×4=1.3×0.2=2÷0.5=0.24÷0.2=0.4÷8=6÷0.02=4.68÷0.02=1÷0.25=1÷8=二、列竖式计算：0.5×18=2.48×60=1.05×0.02=1.08×6.3=12.5×8=6.24÷0.3=18÷12=1.09÷12=28.6÷11=1.17÷9=1÷8=81.9÷39=6.21÷3=0.28×34=0.3×0.75=2.15×6.8=0.468÷12=2.85×5.2=18.9÷2.3≈2.5÷24≈700÷12≈18÷21≈4

4、5.86÷2.2≈3.74÷1.3≈25.5÷0.65≈19.8÷12=93÷0.31=86.4÷32=三、脱式计算（能用简便方法的用简便方法计算）4.2×7.8＋2.2×4.20.9＋0.9×9919.4×0.9＋0.1×19.42.3＋9×（22－19.7）6.8×99＋6.82.06＋2.06×991.9×2.34＋1.9×7.664.2×7.8＋2.2×4.22.12×3.5＋7.88×3.57.8×0.24＋0.76×7.83.6×2.3＋0.77×3615.15×6＋15.15×3＋15.152.5×（40－4）12.58×6.4＋3.6×12.583.8×1.96

5、－3.8×0.4676.3×27－76.3×170.6×（10－8.02）（0.38＋0.67）×1.20.25×9.87×41.25×0.25×3.232×0.25×12.512.5×5.7×0.81.25×2.5×8×41.25×0.5×8×0.21.25×1.5×0.80.6×2.5×0.5×40.25×368×4012.5×2.5×0.8×412.5×0.4×2.5×823.7×0.25×832÷0.25÷0.445.6÷2.5÷0.44.8÷0.24÷25.26＋3.14＋4.74＋4.8612.25＋36＋7.756.4＋0.74＋3.7＋0.2618.16－0.2

6、3－0.878.59－4.1×0.1－4.595.6×[1.98－（1.45－0.31）]4÷0.8－0.8÷492.4÷3.4÷28.45－0.45×0.14.8＋[1.6÷（2.4÷0.6）][0.15＋（2.4－1.8）]×2017÷[（1.2＋0.5）×5]（3.2－0.299÷0.23）×（8－7.48）5.65×[4.98－（2.4÷0.6）]18.75－0.23×2－4.542.8×5.5×1.35.5×1.52－2.030.71＋0.25×0.4（8.6－1.7）×0.0810－3.8×0.4÷7.61.2×（5.2－2.5）÷0.30.25×[（2.8＋4.4

7、）÷1.2][0.15＋（2.4－1.8）]×20（0.59＋0.16）×0.120.87×3.16＋4.646.4÷0.8－1.5×4（1－0.2）÷（1－0.84）17÷[（1.2＋0.8）×5]13.2÷[20.5－（3.6＋5.9）]18.8÷[（8.5＋11.5）÷2]四、解下列方程。x＋52＝96x＋15=19.52x＋9=13.57.2＋5x＝10x＋8=132.5＋x=5.3x－2.7=13x－40=15x－1.6=1.4x＋5.3=10x＋2.5=363x－25=2004x