五年级数学口算与计算_暑假天天练(上).doc

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1、一、直接写出得数3.2×5=786+114=7.8÷3=0.25×8=1.6÷3.2=0.8×1.25=0.48÷12=135÷5=1.53-0.7=25×2=二、简便计算。3.6×3.6+1.4×3.60.25×0.8×0.125×0.42.7×1.5-2.7一、直接写得数420×35=25×19=10-5.4=236+99=95÷19=0.3÷1.5=1.3+0.07=4-0.32=7.2÷0.18=5×0.13=二、计算0.4×12.5×(4.2-1.7)21.5÷【（6.07+2.53）×0.5】一、直接写得数4

2、.5×80=0.75×4=0.375×2=150÷0.75=1-0.43=4.25+0.85=11.2-9.8=43÷0.01=3.8+6.03=0.8-0.37=二、用竖式计算，验算。35.8＋7.62＝100－82.13＝三、计算（能简算的要简算）1.3＋2.9＋8.7＋0.135.72－4.9－(5.72＋5.1)25－4.7＋5.3一、直接写得数1.2÷0.4=4×0.08=237+99=16×25=5.8-0.9=7.2+1.9=1.25×8=6.5÷5=1.4×30=4.8÷0.3=二、小数乘法竖式计算题57

3、×5.79.46×2.8517.8×6.41.5×4.92.5×0.88一、直接写得数2.7÷90=3.7-1.9-8.1=3.2+4.9=2+3.48=0.5×14=2.7×3=20×3.6=0.4÷100=0.28×4=6.3÷0.9=二、竖式计算5.555×5.22.22×3.337.658×8536.02×0.356.78×8一、直接写得数7.5÷5=12.5×8=2.4+5.9=6÷0.2=8.4×2=5.1－2.9=1.4×0.7=3.7－2.4=8.4÷0.7=30×1.2=二、竖式计算0.18×150.0

4、25×143.06×360.04×0.123.84×2.6一、直接写得数0.15×0.3=7.2÷0.12=0.02×100=1-0.95=0.25×8=0.12÷6=3.2×40=3.24+0.8×7=3.5×20=0.4×0.05=二、竖式计算5.76×1.37.15×2215.6×133.68×0.253.7×0.016一、直接写得数39×4=51×9=77×7=874×3=304×5=106×10=178×3=78×9=1.573×6=3.52×100=二、脱式计算30.8÷[14－(9.85＋1.07)][60

5、－(9.5＋28.9)]÷0.182.881÷0.43－0.24×3.520×[(2.44－1.8)÷0.4＋0.15]28-(3.4+1.25×2.4)一、口算40×0.5=   6.8÷4=    14×0.5=   12.5÷5=   3.2÷0.8=4×9.5×2.5=    15×0.04=   3÷0.6=   (3.6-3.6)÷9.1=4.8÷4=二、脱式计算2.55×7.1+2.45×7.1777×9+1111×331.5×4÷(6+3)0.8×〔15.5-(3.21+5.79)〕（31.8+3.2×4

6、）÷5一、口算4.5＋0.76＝1－0.01＝0.54－0.5＝6.5－5.6＝10－4.28＝4.8＋2＝0.24＋0.6＝1.7＋0.3＝37.8－16.4－13.6＝1.8＋0.2－1.8＋0.2＝二、脱式计算0.64×25×7.8+2.22÷2.5+2.5÷25180－705×6194－64.8÷1.8×0.936.72÷4.25×9.9一、直接写得数45+15×6=250÷5×8=6×5÷2×4=30×3+8=400÷4+20×5=10+12÷3+20=360÷40=40×20=70+(100-10×5)=(8

7、0÷20+80)÷4=一、简便计算8.7×17.4-8.7×7.44.8×（15÷2.4）12.5×0.4×2.5×89.5×10140.5÷0.81×0.18一、口算2.5×2=0.5×10=0.6×8=2.1×2=2.8×10=0.7×0.8=0.04×20=5.6+0.4=4.7+2.3=4.5×2=二、脱式计算2.5×56+4.5×65（3.2×1.5+2.5）÷1.62.73＋1.5×4(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8一、口算6×3.4=0.62－0.32=1.4×0.5=

8、0.75×100=0.02×0.5=3.6×0.3=6.3÷7=5.6×100=6.9－2.5=7.2×0.8=二、简便计算6.81+6.81×99(9.37+9.37+9.37+9.37)×2.50.25×185×404.4×0.8－3.4×0.82.37×6.3+2.37×3.7一、口算0.75÷0.25=0.1