Question

4) Caloule
a--+ 6-12
b- -2-4-
C-12-17+3=
D- 4+13-21
E-(+8)-(+55 -
F-(-8)+(-5) =
​

Answer 1

A)+6-12=-6

B)-2-4-6

C)-12-17+3=-26

D)-4+13-21=-12

E)-(+8)-(+55)=-63

F)-(-8)+(-5)=-13

acho que essas são as respostas !?!?