Question

De o valor das adiçoes:

a) (-3)+(-2)=
b) (-5)+(+8)=
c) (-10)+(-5)=
d) (-8)+(+8)=
e) (+12)+(10)=
f) (-25)+(13)=
g) (-100)+(+50)=
h) (-75)+(-25)=
i) +2+(-3)+(-4)=

Answer 1

a) -3 -2 = -5
b) -5 +8 = 3
c) -1- -5 = -15
d) -8 +8 = 0
e) 12 +10 = 22
f) -25 + 13= -12
g) -100 +50 = -50
h) -75 -25 = -100
i) 2 -3 -4 = -5

Answer 2

a) -5
b) +3
c) -15
d) 0
e) +22
f) -12
g) -50
h) -100
i) -5