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Varvara68 [4.7K]
2 years ago
10

Alice joue à un jeu sur son smartphone et fait 3 parties. Dans ce jeu, on peut gagner des pièces d’une partie à l’autre et en dé

penser pour améliorer son personnage.
A la 1ère partie, Alice double son nombre de pièces et en dépense ensuite 30.
A la 2ème partie, Alice triple son nombre de pièces et en dépense 54.
A la 3ème partie, elle quadruple son nombre de pièces et en dépense 72.
Il lui reste alors 48 pièces. Combien de pièces avait-elle au départ ?
C'est des équations svp vous pouvez m'aider je n'y arrive vraiment pas (expliquer pls j'aimerais comprendre)
Mathematics
1 answer:
qwelly [4]2 years ago
3 0

Answer:

sorry, i dont understand french

Step-by-step explanation:

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