Question

1) Calcule:

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

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

c) (+2) + (+2) =

d) (+3)+(+11) =

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

f) (-1) + (-2) =

g) (-2) + (-2) =

h) (-3) + (-1) =

i) (-5) + (-2) =

j) (-8) + (-1) + (−2) =

k) (+8) + (-5) =

1) (+15) + (-3) =

m) (-12)+(+20) =

n) (-30) + (+10) =

o) (+1)+(-8) =

p) (+8)+(-3) + (+7) =

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

r) (+2)+(-9) + (-8) =

s) (-4) + (-2) + (+3) + (-5) =

t) (+3) + (-13) + (-5) =

Me ajudem pfv? :(​

Answer 1

Resposta:

a)+2+3=5

b)+1+8=9

c)+2+2=4

d)+3+11=14

e)+7+2+5=14

f)-1-2= -3

g)-2-2= -4

h)-3-1= -4

i)-5-2= -7

j)-8-1-2 =-11

k)+8-5= 3

l)+15-3= 12

m)-12+20= 8

n)-30+10= -20

o)+1-8= -7

p)+8-3+7= 12

q)-5-2+3= -4

r)+2-9-8= -15

s)-4-2+3-5= -8

t)+3-13-5= -15

Explicação passo-a-passo: