分数和小数加减题及答案

4 - 0.45 = 3.55

4.3 - 0.8 = 3.5

4.6 - 1.15 = 3.45

4.9 - 1.5 = 3.4

5.2 - 1.85 = 3.35

5.5 - 2.2 = 3.3

5.8 - 2.55 = 3.25

6.1 - 2.9 = 3.2

6.4 - 3.25 = 3.15

6.7 - 3.6 = 3.1

7 - 3.95 = 3.05

7.3 - 4.3 = 3

7.6 - 4.65 = 2.95

7.9 - 5 = 2.9

8.2 - 5.35 = 2.85

8.5 - 5.7 = 2.8

8.8 - 6.05 = 2.75

9.1 - 6.4 = 2.7

9.4 - 6.75 = 2.65

9.7 - 7.1 = 2.6

10 - 7.45 = 2.55

10.3 - 7.8 = 2.5

10.6 - 8.15 = 2.45

10.9 - 8.5 = 2.4

11.2 - 8.85 = 2.35

11.5 - 9.2 = 2.3

11.8 - 9.55 = 2.25

12.1 - 9.9 = 2.2

8.5 + 5.7 = 14.2

8.8 + 6.05 = 14.85

9.1 + 6.4 = 15.5

9.4 + 6.75 = 16.15

9.7 + 7.1 = 16.8

10 + 7.45 = 17.45

10.3 + 7.8 = 18.1

10.6 + 8.15 = 18.75

10.9 + 8.5 = 19.4

11.2 + 8.85 = 20.05

11.5 + 9.2 = 20.7

11.8 + 9.55 = 21.35

12.1 + 9.9 = 22

4 + 0.45 = 4.45

4.3 + 0.8 = 5.1

4.6 + 1.15 = 5.75

4.9 + 1.5 = 6.4

5.2 + 1.85 = 7.05

5.5 + 2.2 = 7.7

5.8 + 2.55 = 8.35

6.1 + 2.9 = 9

6.4 + 3.25 = 9.65

6.7 + 3.6 = 10.3

7 + 3.95 = 10.95

7.3 + 4.3 = 11.6

7.6 + 4.65 = 12.25

7.9 + 5 = 12.9

8.2 + 5.35 = 13.55

3/4-4/3=7/12

1-1/9=8/9

3/4+1/5=4/5

3/4-1/5=11/20

5/6+2/9=19/18

5/6-2/9=11/18

2/3+3/5=19/15

2/3-3/5=1/15

6/7+1/2=19/14

6/7-1/2=5/14

2/3+1/6=5/6

1/3+1/4=7/12

1/3-1/4=1/12

1/5+1/7=12/35

1/5-1/7=2/35

1/4+1/9=13/36

1/4-1/9=5/36

1/8+1/9=17/72

1/8-1/9=1/72

1/10+7/9=79/90

5/7-1/6=23/42

1-5/9=4/9

1/5+3/8=23/40

3/4+1/5=19/20

2/3-3/5=1/5

1-2/5=3/5

5/8-1/9=37/72

1/10-1/20=1/20

1/6+3/8=13/24

5/9-1/2=1/18

2/3+1/4=11/12

1/2+1/3=5/6