1) Is the sum of 3+3 even or odd? a) even b) odd 2) Is the sum of 6+6 even or odd? a) even b) odd 3) Is the sum of 5+3 even or odd? a) even b) odd 4) Is the sum of 4+7 even or odd? a) even b) odd 5) Is the sum of 9+3 even or odd? a) even b) odd 6) Is the sum of 1+1 even or odd? a) even b) odd 7) Is the sum of 10+10 even or odd? a) even b) odd 8) Is the sum of 10+9 even or odd? a) even b) odd 9) Is the sum of 8+1 even or odd? a) even b) odd 10) Is the sum of 2+3 even or odd? a) even b) odd 11) Is the sum of 2+6 even or odd? a) even b) odd 12) Is the sum of 7+5 even or odd? a) even b) odd 13) Is the sum of 3+11 even or odd? a) even b) odd 14) Is the sum of 2+6 even or odd? a) even b) odd 15) Is the sum of 4+7 even or odd? a) even b) odd

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