北师大版五年级数学寒假作业

可编辑版/一．口算0.5×8=3.6×0.4=39.68×0=47.6×1=0.15×7=4÷0.5=12÷0.06=12÷1.2=3÷30=3.2×6+3.2×4=二．竖式计算8.08－2.68＝5.546＋29.38＝17.04×0.26＝8.35×3.5＝三．脱式计算2.65+2.77÷〔1.98-0.98=3.7×91.6+6.3×91.6=0.45×12×0.2=6.2×2.1－2.1=口算0.2+0.8×0.5=6.03×1000=10×0.6=6.45×0.01=2.5×4×0.36=0.1×0.1=0.24×0.5=5.4＋3.6=1.25－0.25=10.2×4.5＝二．竖式计算〔得数保留一位小数0.43×0.29≈52.6×0.23≈4.58×0.37≈2.9×1.8≈三．脱式计算2.8×1.43＋0.57=10－6.06＋8.5=6×0.25×1.8=144÷3.6＋27.2=口算0.24×0.5=5.4＋3.6=1.25－0.25=10.2×4.5＝2.5×6＝9×0.25＝0.125×4=1.25×8×0.5=16×0.01=1.78÷0.3=二．竖式计算4.3×8.14≈27.6×0.45≈27.6×0.45≈20÷12≈三．脱式计算0.87×3.16+4.64=6.8×0.75÷0.5=13.75÷0.125–2.75=53+23.4÷7.2=一．口算0.01÷0.1=1.8×20=x-0.4x=5d-2d=0.27÷0.003=3.6÷0.4=0.6×0.8＝2.4×3＝0.12×0.7＝4÷5＝二．竖式计算2.5÷0.7=2.5÷0.7=3.25×9.04=5.08×0.25≈三．脱式计算2.881÷0.43－0.24×3.5=28-<3.4+1.25×2.4>=〔31.8+3.2×4÷5=31.5×4÷<6+3>=一．口算1.6÷0.5＝0.2÷0.05＝2.5×2.3×4=1.5÷1.5＋1.5=3.6－1.2÷2.4=4.7×6＋4×4.7=0.5×4÷0.5×4=38.5×0×0.38=0.6×0.8=3×0.9=二．竖式计算36.8÷16≈10.1÷3.3≈15.3÷11≈0.78÷1≈三．脱式计算0.64×25×7.8+2.2=2÷2.5+2.5÷2=194－64.8÷1.8×0.9=36.72÷4.25×9.9=一．口算2.5×0.4=3.6×0.4=12.5×8=50×0.04=80×0.3=1.1×9=9.32-5.98=7.61-7.09=9.73-5.77=8.71+3.59=二．竖式计算1．64＋2．35=8．34－6．22=22．4÷7=0．48×350=三．脱式计算5180－705×6=24÷2.4－2.5×0.8=3.416÷〔0.016×35=9.4×5.8＋10.6×5.8=一口算8.03-7.77=1.64+1.32=9.29-7.66=2.26+9.34=6.45-4.57=5.19+7.38=5.74+8.14=7.81+6.1=7.72+7.07=9.31-4.22=二,竖式2.14×3.6=0.15×0.84=2.07×4.8=2.05÷11=三．想一想,下面各题怎样算简便就怎样算！3.04+5.83+16.96+4.171.25×32×253.25××3.250.88÷4÷0.25一．请你在一分钟内快速口算出下面各题的得数。3.8+5.2=6.5×4=10-0.99=3.8÷1.9=13.9÷0.1=5.1÷17=0.25×8×0.4=1.25×80=4.8÷0.24=0.63÷21=二．认真计算下面各题,除不尽的得数保留两位小数。〔23.6-÷6.726.7÷[〔2.53+1.84×5]1.25×5.7×8

10÷0.2÷2.5三．计算下面各题,能用简便方法计算的要用简便方法计算。0.25×8.3×4+1.7×2.3×〔5.38-1.82+6.44×2.3〔2.4+2.4+2.4+2.4×0.25一口算630÷70=4.3-0.8=3.4+1.6=1.8÷0.3=2.5×40=4×700=18×50=4.2÷6=7.2＋2.8＝0.9×0.01＝二．竖式计算12．6＋3．4=10－7．64=9．52÷34=8×1．36=

三．脱式计算13.8×4.5+6.28.032+12.6÷0.421.3×1.8-16.39153÷0.51÷3一．口算12×0.6=0.1÷0.001=3.2÷0.08=2.8×0.2=7.9+3.1=0.9×0.5=0.24×5=〔0.85-0.85×0.95=2.5×4=20×0.5=

二．竖式计算13．88－6．29=9．25×16=8÷50=0．99＋1．1=三．下面各题,怎样简便就怎样算。3.2×16.8+83.2×3.216.8-3.28-6.72〔19.5-5.3×2.8+157.5×[〔5.1+2.1÷1.8]一．口算0.9÷0.01＝3.5＋7.6＝0.42×0.5＝0.51÷1.7＝4.72+4.2=5.2÷0.13＝99×1.01＝13.5－2.8－7.2＝32.8＋19＝7÷0.25＝二、列竖式计算12．6＋7．43=29÷22〔保留2位小数28．448÷14=32×6．07=三．脱式计算。40.2×2.7÷16.2〔24.8÷32÷7

×0.84.05÷0.05÷0.81一．口算3×0.2×0.5＝0.96÷0.3＝1.5×0.4＝2.5×0.7×0.8=8－2.5＝8×〔2.5＋0.25＝0.36＋0.64＝64.32÷16＝72.8÷0.8＝8.4×0.2＋1.6×0.2＝二．列竖式计算。〔前两行并验算2.7÷0.32=35÷56=

0.36×6.9=

15.36÷12=

三．脱式计算7.62÷

8.75÷〔12.5×75.4÷〔2.7×41.032+36÷0.36一．口算8.4÷4.2＝0.05×0.8＝2.56－0.37＝1.25×0.8×0.5＝12×2.5＝1.23×3＝3.2÷1.6＝3.5＋3.5×3＝19.6÷2＝8.8÷2.2=二．竖式2.34×1.5=11.7÷2.6=25.2÷42=

3.74÷34=

三．脱式计算0.432÷〔6.21-6.094.8÷÷210.048×90×0.46〔保留两位小数2.46÷一．口算3.9＋2.03＝7.2×0.3＋2.8×0.3＝13.8＋9.9＝2.4×2.5＝16÷1.6＝0.75×4＝〔1.5＋0.25×4＝5.6×1.01=4.2÷0.1＝4.2÷3.5＝二．列竖式629÷61=4.8÷2.36.49×0.58=0.27÷1.1

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〔得数保留两位小数〔得数保留一位小数〔得数保留两位小数〔得数保留两位小数三．脱式计算9.28÷〔2.1-1.7÷2.51.25×5.7×8

10÷0.2÷2.5

5.6×12.5一．口算2.14－0.9＝27＋456＋73=12÷0.3=2.87÷0.7＝13÷4＝24÷4＋56÷4=7.2÷1.2

=3.86÷100=3.9×0.01=

98.4×100=

二．竖式①11.5÷5=

②13.6÷2=

③19.5÷3=④12.6÷12=三．脱式计算3.2÷5÷0.21.56×1.7+0.44×1.7

11.72-7.85-1.72

1.8×25+12×2.5一．口算9.1÷1.3=

8.2÷10=

1-0.45=

36+2.45=

0.48×0=

0.42÷7=

0.69÷1=

1.21÷0.6=

0.5÷0.2=

8.4÷2.1=

二．竖式计算①28.8÷24=

②20.4÷4=

③96.6÷42=④26÷4=三．脱式计算①2.6×〔2.139÷9.3×6.2②〔18.4+27.83÷4.6×0.2③2.6×1.9÷2.6×1.9④4.264÷<0.16×20.5>一．口算76÷1000=

8.7-5=

1.28×8=

40×25=

0.51×100=0.58×99=0.6×0.9=0.1×0.5=

0.5×2÷0.5×2=12.4-〔2.4+3.25=二．竖式计算①55.8÷31=

②82.5÷15=

③82.5÷25=④18.9÷6=三．脱式计算①0.56×23.79÷2.6

②8.45÷1.3÷2.6③9.42+2.8÷0.25④5.4÷〔2.7×4一．口算12.5÷0.5÷0.4=1084÷18×4=

2.6+3.1-2.6+3.1=

73×4×25=10+0.08=1-0.95=0.3+0.27=0.47+0.13=4.5+4=4-0.6=二．竖式计算629÷61=4.8÷2.36.49×0.58=0.27÷1.1

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〔得数保留两位小数〔得数保留一位小数〔得数保留两位小数〔得数保留两位小数三．脱式计算①39.6÷<1.8+1.5>②2.432÷3.2+2.6③40.2×2.7÷16.2

④〔24.8÷32÷7一．口算0.95+0.05=2.5+3.2=0.74+0.16=23×100=9.8-4.8=480÷40=0.53÷100=5.1+2.3=125×80=0.078÷10=二．竖式计算2.7÷0.32=

35÷56=

0.36×6.9=

15.36÷12=三．脱式计算×0.84.05÷0.05÷0.817.62÷8.75÷〔12.5×7一．口算0.52+0.4=70×12=0.25×1