5 + ___ = 11
6
15 - 8 =
7
2 + 9 + 7 =
18
9 + ___ = 18
9
3 + 6 + 6 =
15
7 + ___ = 18
11
4 + ___ = 12
8
4 + 5 + 2 =
11
13 - 9 =
4
5 + ___ = 17
12
8 + 3 + 3 =
14
3 + 3 + 6 =
12
4 + 4 + 7 =
15
9 + 4 + 1 =
14
7 + 4 + 2 =
13
6 + 3 + 7 =
16