7 + 5 + ___ = 18
6
8 + 1 + 3 =
12
3+___ +9=16
4
2 + 5 + 2 =
9
5 + 4 + ___ = 17
8
6 + 4 + 2 =
12
5 + 5 + 7 =
17
6 + 6 + 2 =
14
2 + 3 + 6 =
11
3 + 8 + 3=
14
8 + 8 + 4=
20
12 + 4 + ___ = 20
4
3 + 5 + 5 =
13
3 + 8 + 1 =
12
4 + 6 + 5 =
15
7 + 3 + 5 =
15
2 + 8 + ___ = 14
4
7 + 1 + 9 =
17