小数除法的简便运算

除法： 

85.44÷16 

42.84÷7 

101.7÷9 

67.5÷15 

230.4÷6 

21.24÷36 

0.736÷23 

43.5÷12 

35.21÷7 

39.6÷24 

6.21÷0.03 

210÷1.4 

51.3÷0.27 

91.2÷3.8 

0.756÷0.18 

0.66÷0.3 

11.97÷1.5 

69.6÷2.9 

38.4÷0.8 

15÷0.06

（循环小数的用简便方法，除不尽保留2位小数）： 

8.2÷0.12 

0.8÷0.9 

76.4÷5.4 

4.7÷3 

1.25÷1.2 

32÷42 

14.36÷2.7 

8.33÷6.2 

1.7÷0.03 

2.41÷0.7

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      －2.×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.      9.5×101      

0.68 ÷（5.2 -3.5）× 1.25                   

40.5 ÷ 0.81 × 0.18    4.8 ×（15 ÷ 2.4）    

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      

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