Question

Qual o resultado desta conta: 1-{[-19-(8-6+4)-5]-[14+(18-7+14)-3]}

Answer 1

1-{[-19-(8-6+4)-5]-[14+(18-7+14)-3]} =
1-{[-19-(12-6)-5]-[14+(32-7)-3]} =
1-{[-19-(6)-5]-[14+(25)-3]} =
1-{[-19-6-5]-[14+25-3]} =
1-{[30]-[39-3]} =
1-{30-[36]} =
1-{30-36} =
1-{-6} =
1+6 =
7

Um abraço.