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11 supra 18 +4 supra 9 + 5 supra 6 + 1 supra 3 = ?






















































Răspuns :

11\18 + 4\9 +5\6 + 1\3=
11\18 + (4\9 amplificat 2) + (5\6 amplificat 3) +(1\3 amplificat 6)
11\18 + 8\18 + 15\18 + 6\18
40\18