Mathematics, 15.11.2019 22:31 rakanmadi87

Há quatro jovens numa sala eles têm em média 13 anos se entra na sala um rapaz de 23 anos qual passa a ser a média da idades do grupo ?

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Há quatro jovens numa sala eles têm em média 13 anos se entra na sala um rapaz de 23 anos qual passa...

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