Question

resolva as seguintes expressoes:

a) - 13 + 7 - 2 - 8 + 15 - 1
b) + 22 - 3 - 14 - 5 + 24 + 12
c) 12 - 7 + 3 - ( - 3 ) +( + 9 )
d) ( - 2 ) - ( - 3 ) + ( + 5 )

Answer 1

respostas

a)=2

b)36

c)20

d)6

contas

A)-24+22=2

b)58-22=36

c)12-7+3+3+7=20

d)-2+3+5=6

Answer 2

Explicação passo-a-passo:

a) - 6 -2 -8 +15 -1=

-8 -8 +15 -1=

-16 +15 -1=

- 17 +15=

- 2

b) 19 -14 -5 +24 +12=

19 - 19 +24 +12=

24 +12=

36

c) 5 +3 +3 +9=

8 +3 +9=

11 +9=

20

d) - 2 +3 +5=

- 2 +8=

+6