7 + 8 = ___

15 - ___ = 9

7 + 23 = ___

___ + 8 = 29

15 - ___ = 6

___ + 3 = 20

12 - 3 = ___

15 - ___ = 3

___ - 3 = 18

6 + 14 = ___

26 + 2 = ___

8 + 12 = ___

___ + 2 = 24

___ + 4 = 20

15 - 0 = ___

___ - 2 = 27

1 + 24 = ___

6 + 3 = ___

1 + 2 = ___

5 + ___ = 23

___ + 15 = 29

5 + 3 = ___

___ - 5 = 15

15 - ___ = 1

19 + 3 = ___

15 - 1 = ___

___ - 5 = 2

4 + 1 = ___

25 + 2 = ___

___ + 7 = 10

___ + 14 = 17

10 + ___ = 12

___ - 9 = 12

___ - 2 = 15

___ - 15 = 2

2 + ___ = 26

12 - 5 = ___

1 + 1 = ___

5 + 24 = ___

13 - 8 = ___

___ + 1 = 5

1 + 2 = ___

15 - 3 = ___

7 - 1 = ___

___ - 3 = 1