2 + 1 = ___
___ + 1 = 3
3 + 1 = ___
___ + 1 = 4
4 + 1 = ___
___ + 1 = 5
5 + 1 = ___
___ + 1 = 6
6 + 1 = ___
7 + 1 =___
___ + 1 = 8
8 + 1 = ___
___ + 1 = 9
9 + 1 = ___
10 + 1 = ___
3 + 2 = ___
___ + 2 = 5
4 + 2 = ___
___ + 2= 6
5 + 2 = ___
___ + 2 = 7
6 + 2 =___
___ + 2 = 8
7 + 2 = ___
___ + 2 = 9
8 + 2 = ___
___ + 2 = 10
9 + 2 = ___
10 + 2 = ___
___ + 2 = 12
4 + 3 = ___ + =
___ + 3 = 7
5 + 3 = ___
___ + 3 = 8
6 + 3 = ___
___ + 3 = 9
7 + 3 = ___
___ + 3 = 10
5 + 4 = ___
___ + 4 = 9
6 + 4 = ___
___+ 4 = 10
7 + 4 = ___
___ + 4 = 11
6 + 5 = ___
___ + 5 = 11
7 + 5 = ___
___ + 5 = 12
10 + 5 = ___
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