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Original tekst - Engleski - snake question

Trenutni statusOriginal tekst
Ovaj tekst je raspoloziv na sledecim jezicima: EngleskiTurski

Kategorija Izraz - Nauka

Natpis
snake question
Tekst za prevesti
Podnet od etm343
Izvorni jezik: Engleski

A wiggly plastic snake is composed of 20 segments. Assuming you start with a left turn, how many ways can the snake's other 18 joints be bent in 90-degree angles, either to the left or to the right, in such a way that the snake does not overlap/touch itself?
Bonus question: If you subtract the number of English letters from the answer, what is the connection of the result to the year 2010?
2 April 2011 18:18