Doubles plus 1 Addition
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5 + 6 =
11
6 + 7 =
13
7 + 8 =
15
8 + 9 =
17
2 + 1 =
3
2 + 3 =
5
3 + 4 =
7
4 + 5 =
9
5 + 6 =
11
6 + 7 =
13
7 + 8 =
15
8 + 9 =
17
2 + 1 =
3
2 + 3 =
5
3 + 4 =
7
4 + 5 =
9