青岛版数学五年级上册：口算、笔算、简算、方程
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算算算
三、脱式计算（能用简便方法的用简便方法计算）
0.125×7224×10.20.73×1023.14×1021.25×6410.1×875.4×10.2
1.7×101 9.5×1015.5×9.819.7×5.3＋4.7×19.73.5×2.34＋3.5×7.667.8×9＋7.8
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＋6.8
2.4×2.5=0.125×8=0.63÷0.001=2.53×0=0.15×0.1=0.78×0.1=32.1×0.2=
0.9÷0＋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=
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=
2.06＋2.06×991.9×2.34＋1.9×7.664.2×7.8＋2.2×4.22.12×3.5＋7.88×3.5
7.8×0.24＋0.76×7.83.6×2.3＋0.77×3615.15×6＋15.15×3＋15.152.5×（40－4）
12.58×6.4＋3.6×12.583.8×1.96－3.8×0.4676.3×27－76.3×170.6×（10－8.02）
4.8÷0.24÷25.26＋3.14＋4.74＋4.8612.25＋36＋7.756.4＋0.74＋3.7＋0.26
18.16－0.23－0.878.59－4.1×0.1－4.595.6×[1.98－（1.45－0.31）]4÷0.8－0.8÷4
92.4÷3.4÷28.45－0.45×0.14.8＋[1.6÷（2.4÷0.6）] [0.15＋（2.4－1.8）]×20
一、口算
0.6×0.9=7×0.08=1.92×0=4×2.5=1.6×5=4.5＋2.7=6.7－2.3=
60×0.8=0.05×0.4=0.93×100=1.2－0.8=10－0.9=2.6×4=3.2÷0.4=
8.7＋7=1.04×30=0.12×3=0.39÷0.03=13÷4=6.3÷0.2=1×3.4=
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：
5.9×0.32=1.72×8.4=4.37×200=3.6×7.8=5.06×12=3.08×0.25=
（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=5.3
x－2.7=13x－40=15x－1.6=1.4x＋5.3=10x＋2.5=363x－25=2004x－1.2=74
25.5＋3x＝56.4 4.6＋5.4x＝12.70.6x－6=300.15x－3.8=8.50.8x－6.4＝3.6
2.5x－25＝57x＋x＝1.529x＋5x=8.47x－2x=48 0.8x－0.5x=1.27x＋3x＋26=74
x－0.85x=3 7x＋3x＋26=745.4x＋6.6x=19.2 5x＋7x=843.8x－x=0.566x－12.8×3=0.06
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÷32=
53.5×1.2=7.98÷4.2=5.02×1.7=0.368÷0.23=4.37×2.8=3.25×8.1=
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=
2.8×0.5= 80÷0.5= 7.2÷9= 0.8×50= 1.3×0.2=2.4÷0.08=45.6÷1=
26÷1.3=5÷100= 13÷2.6=2.8＋8= 6÷0.02=9.8－8.9=4.5×0.2=
0÷0.365=0.4×0.02=3.5＋7.6= 1.23÷3=2.8＋5.9=0×13.5=5.6÷7=
18.9÷2.3≈2.5÷24≈700÷12≈18÷21≈45.86÷2.2≈
（得数保留一位小数）（得数保留两位小数）（得数保留三位小数）（得数保留一位小数 ） （得数保留一位小数）
3.74÷1.3≈ 25.5÷0.65≈19.8÷12=93÷0.31=86.4÷32=
（结果保留两位小数）（得数保留一位小数）验验验
590321728443720036785061230802553512798425021703680234372832581051824860105002108631258624031812109122861111791881939621302834030752156804681228552189232524700121821458622得数保留一位小数得数保留两位小数得数保留三位小数得数保留一位小数得数保留一位小数37413255065198129303186432结果保留两位小数得数保留一位小数验验验算算算三脱式计算能用简便方法的用简便方法计算0125722410207310231410212564101875410217101951015598197534719735234357667897842782242090999194090119423922197689968206206991923419766427822422123578835780240767836230773615156151531515254041258643612583819638046763277631706108020380671202598741250253232025125125570812525841250580212515080625054025368401252508412504258237025832025044562504480242526314474486122536775640743702618160230878594101459561981450314080849243428450450148162406015241820171205532029902387485654982406187502324542855135515220307102504861700810380476125225030252844120152418200590160120873164646408154102108417120851322053659188851152四解下列方程
17÷[（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）×0.08
10－3.8×0.4÷7.61.2×（5.2－2.5）÷0.30.25×[（2.8＋4.4）÷1.2][0.15＋（2.4－1.8）]×20
x÷8=20.82x÷8＝1.25 3x÷1.2=9.752x－0.5×2＝0.8x÷6=7.83x－9÷0.45=13.6
9÷0.45＋9x÷3=41.6x÷10=12.54x=50 5x=752x=4.62.5x=105x=20.2
0.8x=4.55.4x－x＋57＝189（9x－3x）÷0.45=20x＋2x=933.8x－1.8x=4.026x－x=41
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= 0.3×0.7=7.2÷0.8=
（0.38＋0.67）×1.20.25×9.87×41.25×0.25×3.232×0.25×12.5 12.5×5.7×0.8
1.25×2.5×8×41.25×0.5×8×0.21.25×1.5×0.80.6×2.5×0.5×40.25×368×40
12.5×2.5×0.8×412.5×0.4×2.5×823.7×0.25×832÷0.25÷0.4 45.6÷2.5÷0.4
三、脱式计算（能用简便方法的用简便方法计算）
0.125×7224×10.20.73×1023.14×1021.25×6410.1×875.4×10.2
1.7×101 9.5×1015.5×9.819.7×5.3＋4.7×19.73.5×2.34＋3.5×7.667.8×9＋7.8
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＋6.8
2.4×2.5=0.125×8=0.63÷0.001=2.53×0=0.15×0.1=0.78×0.1=32.1×0.2=
0.9÷0＋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=
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=
2.06＋2.06×991.9×2.34＋1.9×7.664.2×7.8＋2.2×4.22.12×3.5＋7.88×3.5
7.8×0.24＋0.76×7.83.6×2.3＋0.77×3615.15×6＋15.15×3＋15.152.5×（40－4）
12.58×6.4＋3.6×12.583.8×1.96－3.8×0.4676.3×27－76.3×170.6×（10－8.02）
4.8÷0.24÷25.26＋3.14＋4.74＋4.8612.25＋36＋7.756.4＋0.74＋3.7＋0.26
18.16－0.23－0.878.59－4.1×0.1－4.595.6×[1.98－（1.45－0.31）]4÷0.8－0.8÷4
92.4÷3.4÷28.45－0.45×0.14.8＋[1.6÷（2.4÷0.6）] [0.15＋（2.4－1.8）]×20
一、口算
0.6×0.9=7×0.08=1.92×0=4×2.5=1.6×5=4.5＋2.7=6.7－2.3=
60×0.8=0.05×0.4=0.93×100=1.2－0.8=10－0.9=2.6×4=3.2÷0.4=
8.7＋7=1.04×30=0.12×3=0.39÷0.03=13÷4=6.3÷0.2=1×3.4=
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：
5.9×0.32=1.72×8.4=4.37×200=3.6×7.8=5.06×12=3.08×0.25=
（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=5.3
x－2.7=13x－40=15x－1.6=1.4x＋5.3=10x＋2.5=363x－25=2004x－1.2=74
25.5＋3x＝56.4 4.6＋5.4x＝12.70.6x－6=300.15x－3.8=8.50.8x－6.4＝3.6
2.5x－25＝57x＋x＝1.529x＋5x=8.47x－2x=48 0.8x－0.5x=1.27x＋3x＋26=74
x－0.85x=3 7x＋3x＋26=745.4x＋6.6x=19.2 5x＋7x=843.8x－x=0.566x－12.8×3=0.06
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÷32=
53.5×1.2=7.98÷4.2=5.02×1.7=0.368÷0.23=4.37×2.8=3.25×8.1=
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=
2.8×0.5= 80÷0.5= 7.2÷9= 0.8×50= 1.3×0.2=2.4÷0.08=45.6÷1=
26÷1.3=5÷100= 13÷2.6=2.8＋8= 6÷0.02=9.8－8.9=4.5×0.2=
0÷0.365=0.4×0.02=3.5＋7.6= 1.23÷3=2.8＋5.9=0×13.5=5.6÷7=
18.9÷2.3≈2.5÷24≈700÷12≈18÷21≈45.86÷2.2≈
（得数保留一位小数）（得数保留两位小数）（得数保留三位小数）（得数保留一位小数 ） （得数保留一位小数）
3.74÷1.3≈ 25.5÷0.65≈19.8÷12=93÷0.31=86.4÷32=
（结果保留两位小数）（得数保留一位小数）验验验
590321728443720036785061230802553512798425021703680234372832581051824860105002108631258624031812109122861111791881939621302834030752156804681228552189232524700121821458622得数保留一位小数得数保留两位小数得数保留三位小数得数保留一位小数得数保留一位小数37413255065198129303186432结果保留两位小数得数保留一位小数验验验算算算三脱式计算能用简便方法的用简便方法计算0125722410207310231410212564101875410217101951015598197534719735234357667897842782242090999194090119423922197689968206206991923419766427822422123578835780240767836230773615156151531515254041258643612583819638046763277631706108020380671202598741250253232025125125570812525841250580212515080625054025368401252508412504258237025832025044562504480242526314474486122536775640743702618160230878594101459561981450314080849243428450450148162406015241820171205532029902387485654982406187502324542855135515220307102504861700810380476125225030252844120152418200590160120873164646408154102108417120851322053659188851152四解下列方程
17÷[（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）×0.08
10－3.8×0.4÷7.61.2×（5.2－2.5）÷0.30.25×[（2.8＋4.4）÷1.2][0.15＋（2.4－1.8）]×20
x÷8=20.82x÷8＝1.25 3x÷1.2=9.752x－0.5×2＝0.8x÷6=7.83x－9÷0.45=13.6
9÷0.45＋9x÷3=41.6x÷10=12.54x=50 5x=752x=4.62.5x=105x=20.2
0.8x=4.55.4x－x＋57＝189（9x－3x）÷0.45=20x＋2x=933.8x－1.8x=4.026x－x=41
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= 0.3×0.7=7.2÷0.8=
（0.38＋0.67）×1.20.25×9.87×41.25×0.25×3.232×0.25×12.5 12.5×5.7×0.8
1.25×2.5×8×41.25×0.5×8×0.21.25×1.5×0.80.6×2.5×0.5×40.25×368×40
12.5×2.5×0.8×412.5×0.4×2.5×823.7×0.25×832÷0.25÷0.4 45.6÷2.5÷0.4