bonjour urgent!!!!!!!!

5/6 - 13/10 - 7/15
et
7/4 - 2/1 - 11/6

Question

Grade: Education Subject: mathematiques
bonjour urgent!!!!!!!!

5/6 - 13/10 - 7/15
et
7/4 - 2/1 - 11/6
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Answer (119)

Best Answer
(263)
bonjour

5/6 - 13/10 - 7/15 = 5*5/6*5 = 13*3/10*3 -7*2/15*2 = 25/30 -39/30-14/30 = 25/30-53/30
-28/30 = -14/15

 et
7/4 - 2/1 - 11/6  = 7*3 /4*3 - 2*12/1*12 -11*2 /6*2 = 21/12 -24/12 -22/12 = 21/12 -46/12 = -25/12