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Sagot :

Bonjour,

16/14 = (8×2)/(7×2) = 8/7

15/40 = (3×5)/(8×5) = 3/8

24/15 = (3×8)/(3×5) = 8/5

63/99 = (9×7)(9×11) = 7/11

21/15 = (3×7)/(3×5) = 7/5

81/54 = (27×3)/(27×2) = 3/2

.....etc.....etc....

je ne vais pas tous les faire

je t'en laisse un peu....

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