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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 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 a ser a média da idades do grupo ?

User Superlazy
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4 votes

Answer:

i dont get it

Explanation:


User Nick Masao
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