Question

1)efetue as adições
a)+ (+8) + (-5)
b)+7-10
c)(-3)+(+8)
d)(-5)+(-3)
e)(+8)+0
f)(-5)+0
g)- (+5)+(-7)

2-perceba a importância dos parênteses e calcule

a)-2³
b)(-5)³
c)-5³
d)(-6)⁰
e)-25⁰
f)35000⁰
g)(-70)¹
h)(+4)⁰​

Answer 1

a)+ (+8) + (-5)

+8-5

+3

b)+7-10

-3

c)(-3)+(+8)

-3+8

+5

d)(-5)+(-3)

-5-3

+2

e)(+8)+0

+8

f)(-5)+0

-5

g)- (+5)+(-7)

-5-7

+2