Question

Me ajuda a resolver isso por favor

Answer 1

Resposta:

a)(+6)-(-8)=+6+8

b)-(-5)+(-3)=+5-3

c)-(-9)-(-6)=+9+6

d)+6-8=-2

e)-3+(-2)=-3-2

f )-4-8=(-4)+(-8)

g)-5=-7+2

h)-(+9)-(-9)=0

i )-20+17=-3

j )-9+5=(-9)-(-5)