Question

Faça as operações com números inteiros:
a) (–3) + (–7)
b) (–8) + 5
c) (+12) + (+98)
d) (–3) . (–7)
e) (–8) . 5
f) (+12) . (+2)
g) (+24) ÷ (+3)
h) 40 ÷ (– 5)
i) (– 10) ÷ (– 2)

Answer 1

Resposta:

a)-10

b)-3

c)110

d)21

e)-40

f)24

g)8

h)-8

i)5

a)(-3)+(-7)

-3-7

-10

b)(-8)+5

-8+5

-3

c)(+12)+(+98)

110

d)(-3) × (-7)

3 × 7

21

e)(-8) × 5

-(8 × 5)

-40

f)(+12) × (+2)

12 × 2

24

g)(+24) ÷ (+3)

24 ÷ 3

8

h)40 ÷ (-5)

-(40 ÷ 5)

-8

i)(-10) ÷ (-2)

10 ÷ 2

5

Bons estudos!!!