Question

calcule
a)(+10)+(-5)
b)(+7)+(-4)
c)(-8)+(+8)
d) (+5)+(-10)​

Answer 1

Resposta:

a) (+10)+(-5)=5

b) (+7)+(-4)=3

c) (-8)+(+8)=0

d) (+5)+(-10)=-5

Answer 2

Resposta:

a) (+10)+(-5) = +10 -5 = 5

b) (+7)+(-4) = +7 -4 = 3

c) (-8)+(+8) = -8 +8 = 0

d) (+5)+(-10) = +5 -10 = -5