SOLUTION: If therebis a bird on every branch, there will be an excess bird. But if there will be 2 birds at every branch there will be an excess branch. How many branches are there?
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Question 1003114: If therebis a bird on every branch, there will be an excess bird. But if there will be 2 birds at every branch there will be an excess branch. How many branches are there? Answer by fractalier(6550) (Show Source):