Question

5) Simplifique as expressões:

a)+4-7+3-8+2-7+3=

b)-3+7+8-3+10+3-4=

c)-2+3-18+34-27=​

Answer 1

Resposta:

a)+4-7+3-8+2-7+3

-3-5-5+3

-8-2

-10

b)-3+7+8-3+10+3-4

4+5+13-4

9+9

18

c)-2+3-18+34-27

1+16-27

17-27

-10