5
2
1 + 5 = 6
5 + 1 =
6
3
10
4
3 + 2 = 5
5 + 2 =
7
6 + 2 = 8
5 + 3 =
8
9
2 + 2 = 4
5 + 4 =
2 + 1 = 3
5 + 5 =
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