2 + 4 = ____ 1
+ 6 = ____ 2 + 5 = ____
21 + 1 = ____ 5
+ 4 = ____ 2 + 4 = ____
11 + 2 = ____ 7
+ 6 = ____ 4 + 4 = ____
22 + 1 = ____ 2
+ 6 = ____ 8 + 4 = ____
23 + 2 = ____ 9
+ 6 = ____ 3 + 4 = ____
33 + 1 = ____ 8
+ 7 = ____ 5 + 4 = ____
9 + 1 = ____ 1
+ 6 = ____ 3 + 3 = ____
3 + 2 = ____ 5
+ 5 = ____ 2 + 7 = ____
38 + 1 = ____ 5
+ 2 = ____ 6 + 2 = ____
17 + 1 = ____ 4
+ 0 = ____ 7 + 7 = ____