Réponses

2014-01-05T16:05:54+01:00
a * b = 127008   a/42 * b/42 = a*b/(42*42) = 127008/(42*42) = 127008/1764 = 72   a/42 * b/42 = 72 a * b = 72 * 42 * 42   72 = 9*8   a * b = 9 * 8 * 42 * 42 a * b = (9 * 42) * (8 * 42)   donc : a = 9 * 42 = 378   b = 8 * 42 = 336   En espérant t'avoir aidé.