Sagot :
bonjour
a ) manque le signe
d. - 3 + ( 12) = - 3 + 12 = 9
b. 5 - ( 4 ) = 5 - 4 = 1
e. - 14 - ( - 14 ) = - 14 + 14 = 0
f . ( - 3) - ( - 7) = - 3 + 7 = 4
bonjour
+ 3 + 6 = 9
22 - 12 = 9
+ 5 - 4 = 1
14 - 14 = 0
- 4 -7 = -11
-3 + 7 = 4
bonne journée