Question

OPERAÇÕES 1. Calcule:
a)( + 7) + (-2)
c)(+4)+(-6)
e) ( + 1) +(+4)
b) (-3) + ( + 4)
d) (+5) + (-5)
f) (-2) + (-1)​

Answer 1

a) +5
c) -2
e) +5
b) +1
d) 0
f) -3