1.

If three groups could be formed using the given figures only once, these groups would be _____.

A. (1, 5, 8), (2, 4, 7) and (3, 6, 9)
B. (1, 5, 7), (2, 4, 9) and (3, 6, 8)
C. (1, 5, 7), (2, 6, 8) and (3, 4, 9)
D. (1, 5, 7), (2, 4, 8) and (3, 6, 9)
Answer» E.


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