Question

1 ) CALCULE AS ADIÇÕES E SUBTRAÇÕES.
(A) (+2)+(+3) =
(B) (+1)+(+8) =
(C) (-3)+(-2) =
(D) 0+(-2) =
(E) (+7)+(+2)+(+5) =
(F) (+8)-(+5) =
(G) (+15)-(-3) =

Answer 1

Resposta:

a) (+2)+(+3)= +5

b)(+1)+(+8)=+9

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

d) 0+(-2)= -2

e) (+7)+(+2)+(+5)= +14

f) (+8)-(+5)= -3

g)(+15)-(-3)=+18

Answer 2

Explicação passo-a-passo:

(A) (+2)+(+3) =  +3 +2 = +5

(B) (+1)+(+8) =  +1 +8 = +9

(C) (-3)+(-2) =  -3 - 2 = +5

(D) 0+(-2) =  0 - 2 = -1

(E) (+7)+(+2)+(+5) =  +7 +2 +5 = -14

(F) (+8)-(+5) =  +8 -5 = +3

(G) (+15)-(-3) = +15 +3= +18