Question

{[4(3(3-2)+4)-1000(10-10)+5(20/40)]}

Answer 1

{[4(3(3-2)+4)-1000(10-10)+5(20/40)]}
{[4(3(1)+4)-1000(0)+5(0,5)]}
{[4(3+4)+5(0,5)]}
{[4(7)+2,5]}
{[28+2,5]}
30,5