Question

直接写出得数． 7 9 + 7 12 = 3 5 + 9 11 = 17 18 - 1 4 = 6 7 - 5 6 =

Answer 1

7

9 +

7

12 =1

13

36

3

5 +

9

11 =1

23

55

17

18 -

1

4 =

25

36

6

7 -

5

6 =

1

42

1-

4

13 =

9

13

2

15 +

13

15 =1 6.375-3

3

8 =3 15-7

5

8 =7

3

8