A) 1, 2, 3; 4, 5, 6; 7, 8, 9
B) 1, 3, 5; 2, 4, 6; 7, 8, 9
C) 1, 5, 9;2,3,7;4,6,8
D) 1, 4, 7;2, 5, 8; 3, 6, 9
Correct Answer: C
Solution :
Each group in the answer represents the same number.You need to login to perform this action.
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