Réponse :
Explications étape par étape
Bonsoir,
E)
-3/5 * 1/15 = -3/ 75= -1/25
F)
1/7 + (6*35)/(5*12) =
1/7 + 210/ 60
1/7 + 21/6
1/7 + 7/2
2/14 + 49/14 = 51/14
G)
5/4 -21/8
10/8 -21/8 = -11/8
I)
3/4 -1/2 = 3/4 - 2/4 = 1/4
5/3 -7/3 = -2/3
1/4 * (-2/3) = -2/12 = -1/6
