Mathematics, 29.04.2021 21:10, valencial0917

Bonsoir, pourriez vous me filer un petit coup de main ?? Je doit le rendre ce soir au plus vite et je n'y arrive pas... "le professeur principal de la classe de 3e B félicite ses élèves. Entre le premier et le deuxième trimestre, la moyenne générale de la classe a augmenté de 12%. Au premier trimestre, cette moyenne etait de 12,5 calculer la moyenne du deuxième trimestre"

Merci d'avance. Cordialement.

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Bonsoir, pourriez vous me filer un petit coup de main ?? Je doit le rendre ce soir au plus vite et j...