bonjour,
Exercice 60
b=
(12*(-3) )/ (-2* -3)
-36 / 6 = -6
c=
[(-6*5) +2]/ (-1+15)
(-30 +2) / 14
-28/14 = -2
exercice 61
[(-7*2) +24]/ (-4-6+9)
(-14 +24)/ -1
+10/-1 = -10
(25-42) * 9-(-5)
-17 * 14
- 238
9* (-8) = -72
(-8-6) /7 = -13/7
-72( -13/7) =
-72* 7/-13 = -504/-13 = 504/13