Question

2) Resolva as atividades
a)-3 +(+5)+(-6)-7 =
b) +9-(-3) -(+7)-9 =
c) 7-(-2)+(-8)+(+6)-(+5)-(+2) =
d) 8-(+5)-(-6)-(+6)-(-2)-(+4) =
e) (-5)+(-1)+(+9)-(-4)-(-8) =
f) +(+9)-(-5)+6–(5)+(-6) =
g)-7-(+9)-(-5)-(+7)-(-5) =
h)-(-3)+(+2)+(-4) -(+1)-(-3) =
i) (-5)+(-4)-(-8) -(+2)-(+3) =
D)-2--5-3) =
k)-2-(-5+ 3) =
1)-2-(+ 5-3) =
m) - 2+(-5-3) =
n)2-(-5-3) =
o)-2-(5+ 3) =
p) - 2+(-5+ 3) =
9)2-(-5+3) =
1)+2-(+ 5+3) =
Preciso de ajuda ;-;

Answer 1

Resposta: estou começando já eliminando parenteses

Explicação passo-a-passo:

a)-3+5-6-7=2-6-7=-11

b)9+3-7-9=12-7-9= -4

c)7+2-8+6-5-2=10-2-8=0

d)8-5+6-6+2-4=3+4-4=3

e)-5-1+9+4+8=3+4+8=20

f)9+5+6-5-6=9

g)-7-9+5-7+5=-14-9+10=-5

h)+3+2-4-1+3=1-1+3=3

i)-5-4+8-2-3=-1-2-3=-6

j)-2+5-3=3-3=0

k)-2+8=6

l)-2-2=-4

m)-2-8=-10

n)2-8=6

o)-2-8=-10

p)-2-2=-4

q)2+2=4

r)2-8=-6

espero ter ajudado