小数除法练习题(计算题100道)

小数除法练习计算题

小数除法练习题(计算题100道)

1、直接写出得数。

0.45×2.5=     0.8×1.25=        0.3×3.6=       0.3×0.3= 10×0.07=        0.3×1.4=     0.05×7=         0.92×0.4= 0.2×0.26=       0.14×4=      0.02×0.1=        1.2×0.3=0.2×0.4=        8.2+1.8=       100-35.22=       2.3×4=

2.5×0.4=        2.4×5=        0.22×4=         3.25×0=

0.9-0.52=      3.99×1=       0×3.52=          12.5×8=

8÷10 =       10-1.8-7.2=       0.43+3.57=      2.5×4×12=

0.9×0.8=    7.5x-3x =       a+3a+7a==      1.05×100=      1÷0.5=          0.96÷3=       1.47÷0.7=         5.4÷6=

0.16.5×10=      0.56×100=     3.78×100=       4÷0.8 =

3.215×100=      0.8×10=       4.08×100=        1.1×0.2 =

0.6×0.8 =         3×0.9=         2.5×0.4=            3.6×0.4=

12.5×8=          50×0.04=       80×0.3 =           1.1×9=

0.16×5 ﹦     1.78+2.2 =     9.6÷0.6 =    1.2×0.5-0.4 =

0.7÷0.01 =     2.5×0.4 =   12-3.9=      1.25×8÷1.25 =

6.6÷0.66 =    5.37×0+4.63 =   3.9+2.03=      4.2÷3.5=

1.6+2.4×0.3 =   2.14-0.9=  27+456+73=     0.3×0.3=

7.2+2.8=    0.9÷0.01=    12÷0.3=     2.87÷0.7=

13÷4=     0.96÷0.3=  1.5×0.4=     7÷0.25=

2.5×0.7×0.8=    8-2.5=   16÷1.6=     5.6×1.01=

8×(2.5+0.25)=   0.36+0.64= 64.32÷16=   4.2÷0.1=

72.8÷0.8=     8.4÷4.2=   13.8+9.9=    2.4×2.5=

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=       0.75×4=  (1.5+0.25)×4=   0.5×0.8=

8.4×0.2=    1.6×0.2=      7.2×0.3=           2.8×0.3=

0.9÷0.15=     1.8×0.4=          5.5÷0.55=     0.08×100=

2.2÷0.11=    5.46+4.54=       12.5×0.8=       0.35×0.3=

1.4×5=        2.8×4=          19.6÷4=         22.5×4=

2、用竖式计算

0.396÷1.2=        0.756÷0.36=          15.6×13=

 

0.18×15=          0.025×14=                 3.06×36=

 

0.04×0.12=           3.84×2.6≈           5.76×3=

(保留一位小数)

 

7.15×22           90.75÷3.3              3.68×0.25

 

16.9÷0.13          1.55÷3.9              3.7×0.016

 

13.76×0.8=         5.2×0.6                8.4×1.3

 

6.4×0.5            4.48×0.4                5.25×5

 

35.4×4.2          0.042×0.54               0.76×0.32

 

0.25×0.046         2.52×3.4                1.08×25

 

0.12×0.5×0.16=     4.8×0.25=        0.125×1.4≈

(保留两位小数)

 

2.5÷0.7=   (保留三位小数)     10.1÷3.3=   (商用循环小数)

 

10.75÷12.5=   (用乘法验算)      3.25×9.04=   (用除法验算)

 

3、脱式计算(能简算的要简算)

2.5×7.1×4          16.12×99+16.12        5.2×0.9+0.9

7.28×99+7.28       4.3×50×0.2      64-2.64×0.5

26×15.7+15.7×24       (2.275 +0.625)×0.28

3.94+34.3×0.2           1.2×(9.6÷2.4)÷4.8

8.9×1.1×4.7        2.7×5.4×3.9     3.6×9.85-5.46

8.05×3.4+7.6    6.58×4.5×0.9        2.8×0.5+1.58

 

32+4.9-0.9        4.8-4.8×0.5        (1.25-0.125)×8

 

4.8×100.1        56.5×99+56.5     7.09×10.8-0.8×7.09

 

4.85 + 0.35 ÷ 1.4              8.7 × 17.4 – 8.7 × 7.4

 

12.5×0.4×2.5×8      0.87×3.16+4.64      9.5×101

 

0.68 ÷(5.2 -3.5)× 1.25

 

40.5 ÷ 0.81 × 0.18    4.8 ×(15 ÷ 2.4)     2.13×0×8257

 

6.81+6.81×99       0.25×185×40     4.4×0.8-3.4×0.8

 

(9.37+9.37+9.37+9.37)× 2.5      4.2.×1.+1.×1.75

 

2.37×6.3+2.37×3.7     2.5×1.25×0.32    3.8×10.1

 

2.5×(3.8×0.04)           7.69×101           3.8×10.1

 

0.25×39+0.25        0.125×72     46×0.33+54×0.33

 

(8×5.27) ×1.25      6.81+6.81×99     0.25×185×40

 

6.8×0.75÷0.5       3.75÷0.125–2.75     1.53+23.4÷7.2

 

9.5×99            13.5×0.98           12.5×8.8

二、解方程:

54-X=24             7X=49               126÷X=42

 

13+A=28.5        2.4X=26.4          7.5x-3x=18

 

5×1.3-2x=5.5     24x+6x=63.6      5.6x+4.4x=5.2

 

三、列式计算

1、20减去0.8的差除以4个0.3的和,商是多少?

 

2、一个数的2.6倍加上9,和是35,求这个数。(用方程解)

 

3、1.2与4的积,减去6.除以5的商,差是多少?

 

4、2.1除以35的商,加上4.与0.45的积,和是多少?

 

5、一个数的3倍加上6与8的积,和是84,求这个数.

 

6、4.08除以0.6的商,再乘以5.,积是多少?

 

7、甲、乙两数的积是25.2,甲数是56,乙数是多少?

 

8、把0.47平均分成7份,每份是多少?

 

9、1.25乘4.2减5,差是多少?

 

10、比4.7的1.5倍多3.05的数是多少?

 

0.43×0.28=     6.45×0.73=      4.6×0.6=

 

8.9×0.05=     3.08×0.43=      1.5×26.7=

 

5.22÷29=      18.72÷3.6=      13.95÷3.1=

 

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