Réponse :
bonjour
M = 2/3 + 7/5 = 10/15 + 21/15 = 31 /15
N = 7/6 x - 3/5 = - 21/30 = - 7 /10
P = - 4 : 1/3 x 5 = - 4 x 5/3 = - 20/3
Q = ( - 7 : 4 ) - ( 3 x 2/5) = - 7/4 - 6/5 = - 35/20 - 24/20 = - 59 /20
Explications étape par étape
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Réponse :
bonjour
M = 2/3 + 7/5 = 10/15 + 21/15 = 31 /15
N = 7/6 x - 3/5 = - 21/30 = - 7 /10
P = - 4 : 1/3 x 5 = - 4 x 5/3 = - 20/3
Q = ( - 7 : 4 ) - ( 3 x 2/5) = - 7/4 - 6/5 = - 35/20 - 24/20 = - 59 /20
Explications étape par étape