Question

calcule:
a) (+7)+(-4)=
b)(+8)+(+2)=
c)(-8)+(+2)=
d)(+6)+(-5)=
e)(-3)+(-7)=
f)(-7)+(+7)=
g)(-2)+(+5)=
h)(+3)+(-4=​

Answer 1

Oi, bom dia!

Respostas:

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

B) (+8) + (+2) = 8 + 2 = 10

C) (-8) + (+2) = -8 + 2 = -6

D) (+6) + (-5) = 6 - 5 = 1

E) (-3) + (-7) = -3 - 7 = -10

F) (-7) + (+7) = -7 + 7 = 0

G) (-2) + (+5) = -2 + 5 = 3

H) (+3) + (-4) = 3 - 4 = -1