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bonjour, Syagrius 114x 37=4218 / 12 = 351.5 /19 = 222 114x 38 = 4332 /12 = 361 /19 = 228 114x39 = 4446 /12 = 370.5 /19 = 234 351.5 + 361 + 370.5 = 1083 222 + 228 + 234 = 684 1083 / 19 = 57 684 / 19 = 36 / 12 = 57 57 + 57 = 114 et 57 - 57 = 0 57 + 36 = 93 et 57 - 36 = 21 donc 93 + 21 = 114 (...)