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Npaul121
@Npaul121
April 2019
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hey bonjour , de l'aide vite, merci d'avance :) calculer chaque expressions sous la forme le plus simple possible :
A= 5sur6-5sur2x8sur15 B=(6sur7-3sur4)x8sur3 C= 5sur6-8sur5:3sur4 (le premier chiffre toujour en haut) les (sur) signifie fraction ;)
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winner123
Verified answer
A = 5/6 - 5/2 x 8/15
a = 5/6 - 40/ 30
a = 25/30 - 40/30
a = - 15/30 = - 1/2
b = (6/7 - 3/4 ) x 8/3
b = ( 24/28 - 21/28) x 8/3
b = 3/28 x 8/3
b = 24/84
b = 2/7
c = 5/6 - 8/5 : 3/4
c = 5/6 - 8/5 x 4/3
c = 5/6 - 32/15
c = 25/30 - 64/30
c = - 39/30
c = - 13/10
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Verified answer
A = 5/6 - 5/2 x 8/15a = 5/6 - 40/ 30
a = 25/30 - 40/30
a = - 15/30 = - 1/2
b = (6/7 - 3/4 ) x 8/3
b = ( 24/28 - 21/28) x 8/3
b = 3/28 x 8/3
b = 24/84
b = 2/7
c = 5/6 - 8/5 : 3/4
c = 5/6 - 8/5 x 4/3
c = 5/6 - 32/15
c = 25/30 - 64/30
c = - 39/30
c = - 13/10