Question

-(+4)+(-5)-(+2)
-(-6)+(-2)-(+4)
(+4).(-20)
-11.(-10)
(-7).15
14.(-3)
(-8).(-2)

Answer 1

-(+4)+(-5)-(+2)
-4-5-2
-11

-(-6)+(-2)-(+4)
6-2-4
0

(+4).(-20)
4.(-20)
-80

-11.(-10)
110

(-7).15
-105

14.(-3)
-42

(-8).(-2)
16

Espero ajudar... :)