22 - ___ = 12
10
100 - ____ = 10
90
13 + ___ = 21
8
____ - 12 = 12
24
___ - 6 = 13
19
8 + ___ = 22
14
_____ - 15 = 15
30
____ - 7 = 8
15
____ - 17 = 4
21
___ + 9 = 17
8
____ - 7 = 6
13
20 + ____ = 32
12
12 + ____ = 19
7
___ - 16 = 16
32
18 + ___ = 23
5
12 + ___ = 23
11
___ - 13 = 7
20
___ + 8 = 17
9
___ - 5 = 12
17
40 - ____ = 20
20
___ - 8 = 11
19