troyerca troyerca

13-09-2016
Mathematics

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leo the rabbit is climbing up a flight of 10 steps. Leo can only hop up 1 or 2 steps each time he hops. he never hops down, only up. how many different ways can leo hop up the stairs?

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garrettbartlett garrettbartlett

13-09-2016

3 different ways right left and backwards

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