Réponse :
bonjour
N = - 3/10 - 9/8 + 7/5 + 3 /2
N = - 24/80 - 90/80 + 112/80 + 120/80
N = 118/80 = 59/40
P = - 11 + 1/11 + 1/6 - 6
P = - 726/66 + 6/66 + 11/66 - 396/66
P = - 1105 /66
R = 2/3 + 7/4 - 1/5
R = 40/60 + 105/60 - 12/60
R = 133/60
Explications étape par étape
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Réponse :
bonjour
N = - 3/10 - 9/8 + 7/5 + 3 /2
N = - 24/80 - 90/80 + 112/80 + 120/80
N = 118/80 = 59/40
P = - 11 + 1/11 + 1/6 - 6
P = - 726/66 + 6/66 + 11/66 - 396/66
P = - 1105 /66
R = 2/3 + 7/4 - 1/5
R = 40/60 + 105/60 - 12/60
R = 133/60
Explications étape par étape