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=

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)

乘法:

5、6×2.9

3、77×1.8

0.02×96

5、22×0.3

9、99×0.02

4、67×0.9

5×2.44

1、666×6.1

9、432×0.002

5、6×6.5

4、88×2.9

5、61×4.3

8、9×2.4

5、5×55

9、77×0.02

1、384×5.1