Question

(-5).4-{-√16-[-2³+(12-6-2)²:4+2+3]}

Answer 1

(-5).4-{-√16-[-2³+(12-6-2)²:4+2+3]}

-20-{-4-[-8+(4)²:4+5]}

-20-{-4-[-8+4+5]}

-20-{-4-[+1]}

-20-{-4-1}

-20-{-5} ==> - 20 + 5 ==> - 15