Question

boa tarde vcs pode me ajudar nessas contas

a)-[-(5-10+6)]+[-3+1-2)].

b){[(0-6)-(0+2)]+[(0-3)-(0+5]}-20

c)45-{2-[5+4+(6-2-(7+3-9)+6]-7+8​

Answer 1

Resposta:

a) -[-(5-10+6)]+[(-3+1-2)]

-[-11]+[-4]

+11-4

7

b) {[(0-6)-(0+2)]+[(0-3)-(0+5)]}-20

{[-6+2]+[-3-5]}-20

{-8-2-8}-20

-18-20

-38

c)45-{2-[5+4+(6-2-(7+3-9)+6)]}-7+8

45-{2-[5+4+(6-2-1+6)]}-7+8

45-{2-[5+4+9]}-7+8

45-{2-18}-7+8

45+16-7+8

61-15

46