-

小数脱式计算和简便运算

100

道

4.6

-

1.85+2.08

4.28+0.73

-

3.37

5

-

(4.19

-

2.83)

4.71+0.1

-

4.71+0.1

8.41

-

(4.19

-

2.83)

4.2+3.27

-

4.49

12

-

5.18

-

3.82

12

-

(5.18+3.82)

14.22+(4.45+5.55)

7.3+5.6+2.7

196.75

-

(16.75+120)

14.72+0.28

-

14.72+0. 28

6.44+8.9+3.86

36.28

-

0.83

-

4.17

12.29

-

(4.29+6.43)

17.83

-

9.5

-

7.83

45.55

-

(15.55+6.8)

4.45+14.22+5.55

9.12

-

4.6

-

2.4

< br>17.7

-

13.88

-

4.12+4.3

4.83+2.71+5.17+2.29

12.13+34.52+17.87

0.28+3.6+0.72+6.4

0.516+0.25+0.484

19.36+0.79

-

10.36

12.5+3.35+2.75+4.65

18.47

-

6.96+0.53

-

0.04

14.83

-

5.99

4.8+7.26+5.44

17.68

-

3.5+2.32

-

6.5

3.8+4.65

-

7.02

0.9+0.71

12.76

-

5.8+0.24

34.45

-

(15.18

-

7.86)

9.87

-

(6.87+2.5)

4.3

×

2.1-7.6 7.8

÷

[12.5-(1.9+6.7)]

7.5

×

16.3+7.5

×

3.7 3.08

×

101-3.08

19.73-0.01

×