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Meilleure réponse !
  • Utilisateur Brainly
2014-09-30T17:09:19+02:00
6/1 = 48/8
1/5 = 6/30
6/9 = 54/81
5/1 = 270/54
2/3 = 16/24 = 32/48 = 1600/2400