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1, 2 and 3 have been placed at the corners of a triangle. Arrange numbers 4, 5, 6, 7, 8, and 9 on the sides...

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The numbers 1, 2 and 3 have been placed at the corners of a triangle. Arrange the numbers 4, 5, 6, 7, 8, and 9 on the sides, so that the numbers along each side (including the corners) add up to 17.

posted Jan 31, 2018 by anonymous

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