13 and ____ = 18
5
12 and 6 = ____
18
10 and 4 = ____
14
14 and ____ = 17
3
10 and ___ = 11
1
14 and ___ = 16
2
19 and ___ = 19
0
___ and 6 = 20
14
15 and ____ = 20
5
___ and 4 = 15
11
11 and ____ = 19
8
___ and 3 = 19
16