18
17
16
19
20
11
14
15
13
12
10 + 2 =
10 + 7 =
10 + 5 =
10 + 4 =
10 + 3 =
10 + 9 =
10 + 8 =
10 + 6 =
10 + 10 =
10 + 1 =
