Question

a) (+7) + (-5)
b) (-11)+(+3)
c) (-15)+(+30)
d) (+31)+(-30)
e) (-8)+(+16)
f) (+3)+(-17)​

Answer 1

Respuesta:

a) (+7) + (–5) = 7 – 5 = 2

b) (–11) + (+3) = –11 + 3 = –8

c) (–15) + (+30) = –15 + 30 = 15

d) (+31) + (–30) = 31 – 30 = 1

e) (–8) + (+16) = –8 + 16 = 8

f) (+3) + (–17) = 3 – 17 = –14