5 + 3 = ___

1 + 4 = ___

___ + 6 = 9

13 - 4 = ___

3 + 23 = ___

15 - 9 = ___

15 - ___ = 2

___ - 2 = 8

___ - 12 = 13

15 - 9 = ___

13 + ___ = 15

___ + 4 = 26

16 + 2 = ___

9 + 13 = ___

22 + 1 = ___

___ + 7 = 30

8 + ___ = 20

___ - 13 = 15

___ + 10 = 20

16 + 11 = ___

___ + 15 = 17

11 + 15 = ___

___ + 25 = 28

12 - 7 = ___

___ + 1 = 28

14 + 9 = ___

5 + 9 = ___

5 + 2 = ___

2 + 22 = ___

___ - 3 = 5

15 - ___ = 6

___ + 1 = 11

1 + 6 = ___

3 + ___ = 19

___ + 8 = 30

15 - ___ = 9

___ - 14 = 13

15 - 4 = ___

13 + 3 = ___

15 - ___ = 1

1 + ___ = 29

15 - ___ = 2

15 - ___ = 4

4 - ___ = 1

15 - ___ = 14