Question

2) Considere a expressão a seguir .
(+10) + (-20) + (-15) + (+12) + (+30) + (-40)​

Answer 1

Resposta:

Bom dia!

(+10)+(-20)+(-15)+(+12)+(+30)+(-40)(+10)+(−20)+(−15)+(+12)+(+30)+(−40)

+10-20-15+12+30-40+10−20−15+12+30−40

+10-35+42-40+10−35+42−40

-25+42-40−25+42−40

-25+2−25+2

-23−23

Espero ter ajudado :D