salut voila mon devoirs 12-(-3+19) -14+(6-9) -(32+6) 25-(32-3)-4

12-(-3+19) 
12-(+16)
12+(-16) = -4

-14+(6-9)
-14-3 = -17

-(32 +6) 25 - (32-3)-4
-(38) 25 + (-32+3) -4
-950 - 29 - 4 =
-983

12-(-3+19)
=12-(+16)
=-4

-14+(6-9)
=-14+(-3)
=-17

-(32+6)25-(32-3)-4
=-983