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How would you place 4 matchsticks to create a node value of exactly 20?

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There are 4 nodes in the layout above (the circles) and the node value is 8. A node can therefore be described as the touching point of two or more matchsticks OR the two ends of a matchstick. A matchstick head has a value of 2 and the opposite side a value of 1.

How would you place 4 matchsticks to create a node value of exactly 20?

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posted Apr 1, 2020 by Nikhil Pandey

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