青岛版五年级上册数学计算专项练习题.doc

青岛版五年级上册数学计算专项练习题
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= 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= 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÷0.01= 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÷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= 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：
5.9×0.32= 1.72×8.4= 4.37×200= 3.6×7.8= 5.06×12=

3.08×0.25= 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=

18.9÷2.3≈ 2.5÷24≈ 700÷12≈ 18÷21≈ 45.86÷2.2≈

3.74÷1.3≈ 25.5÷0.65≈ 19.8÷12= 93÷0.31=

86.4÷32=

三、脱式计算（能用简便措施旳用简便措施计算）
0.125×72 24×10.2 0.73×102 3.14×102 1.25×64 10.1×87

5.4×10.2

1.7×101 9.5×101 5.5×9.8 19.7×5.3＋4.7×19.7 3.5×2.34＋3.5×7.66

7.8×9＋7.8

4.2×7.8＋2.2×4.2 0.9＋0.9×99 19.4×0.9＋0.1×19.4 2.3＋9×（22－19.7）

6.8×99＋6.8 2.06＋2.06×99 1.9×2.34＋1.9×7.66 4.2×7.8＋2.2×4.2

2.12×3.5＋7.88×3.5

7.8×0.24＋0.76×7.8 3.6×2.3＋0.77×36 15.15×6＋15.15×3＋15.15

2.5×（40－4）

12.58×6.4＋3.6×12.58 3.8×1.96－3.8×0.46 76.3×27－76.3×17

0.6×（10－8.02）

（0.38＋0.67）×1.2 0.25×9.87×4 1.25×0.25×3.2 32×0.25×12.5

12.5×5.7×0.8

1.25×2.5×8×4 1.25×0.5×8×0.2 1.25×1.5×0.8 0.6×2.5×0.5×4 0.25×368×40

12.5×2.5×0.8×4 12.5×0.4×2.5×8 23.7×0.25×8 32÷0.25÷0.4 45.6÷2.5÷0.4

4.8÷0.24÷2 5.26＋3.14＋4.74＋4.86 12.25＋36＋7.75 6.4＋0.74＋3.7＋0.26

18.16－0.23－0.87 8.59－4.1×0.1－4.59 5.6×[1.98－（1.45－0.31）] 4÷0.8－0.8÷4

92.4÷3.4÷2 8.45－0.45×0.1 4.8＋[1.6÷（2.4÷0.6）] [0.15＋（2.4－1.8）]×20

17÷[（1.2＋0.5）×5] （3.2－0.299÷0.23）×（8－7.48） 5.65×[4.98－（2.4÷0.6）]

18.75－0.23×2－4.54 2.8×5.5×1.3 5.5×1.52－2.03 0.71＋0.25×0.4 （8.6－1.7）×0.08

10－3.8×0.4÷7.6 1.2×（5.2－2.5）÷0.3 0.25×[（2.8＋4.4）÷1.2] [0.15＋（2.4－1.8）]×20

（0.59＋0.16）×0.12 0.87×3.16＋4.64 6.4÷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＝96 x＋15=19.5 2x＋9=13.5 7.2＋5x＝10 x＋8=13

2.5＋x=5.3

x－2.7=13 x－40=15 x－1.6=1.4 x＋5.3=10 x＋2.5=36 3x－25=200 4x－1.2=74

25.5＋3x＝56.4 4.6＋5.4x＝12.7 0.6x－6=30 0.15x－3.8=8.5 0.8x－6.4＝3.6

2.5x－25＝5 7x＋x＝1.52 9x＋5x=8.4 7x－2x=48 0.8x－0.5x=1.2

7x＋3x＋26=74

x÷8=20.8 2x÷8＝1.25 3x÷1.2=9.75 2x－0.5×2＝0.8 x÷6=7.8

3x－9÷0.45=13.6

9÷0.45＋9x÷3=41.6 x÷10=12.5 4x=50 5x=75 2x=4.6 2.5x=10

5x=20.2

0.8x=4.5 5.4x－x＋57＝189 （9x－3x）÷0.45=20 x＋2x=93 3.8x－1.8x=4.02

6x－x=41

x－0.85x=3 7x＋3x＋26=74 5.4x＋6.6x=19.2 5x＋7x=84 3.8x－x=0.56 6x－

12.8×3=0.06