Mathematics, 31.05.2021 14:40 whocares1234

Com a entrada da Rita a classe ficou com 20 alunos a média das idades destes 20 alunos é 13,2 anos No final da primeira semana dois alunos de 15 anos abandonaram a classe
Qual passou a ser a média

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Com a entrada da Rita a classe ficou com 20 alunos a média das idades destes 20 alunos é 13,2 anos...