_____ + 20 = 25
12 + ____ = 19
1 + ____ = 18
21 + _____ = 22
17 + _____ = 28
_____ + 5 = 14
_____ + 14 = 28
_____ + 16 = 46
10 + _____ = 20
11 + _____ = 30
11
7
1
9
5
14
19
17
10
30
