Mathematics, 09.12.2019 08:31 kuadirkennedy

Hay 105 números escritos en una fila.
1, 2, 2, 3, 3, 3, 4, 4, 4, 4 y así sucesivamente (cada número n está escrito n veces) ¿cuántos de estos números son divisibles entre 3?

a)4 b)12 c)21 d)30 e)45

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Hay 105 números escritos en una fila.
1, 2, 2, 3, 3, 3, 4, 4, 4, 4 y así sucesivamente (cada nú...