16 + __ = 24
16 + 8 =
18 - 9 =
16 - 9 =
19 + 9 =
18 + 9 =
15 + __ = 26
17 + 8 =
15 + 23 =
19 - ___ = 9
9
28
38
10
11
24
7
25
27
8
