Question

{152-2,4•[1,5•3,4-0,1•(5,6-3,2•1,4)]}

Answer 1

{152-2,4•[1,5•3,4-0,1•(5,6-3,2•1,4)]}=
{152-2,4•[1,5•3,4-0,1•(5,6-4,48)]}=
[152-2,4•(1,5•3,4-0,1•1,12)]=
[152-2,4•(5,1-0,112)]=
(152-2,4•4,988)=
(152-11,9712)=
140,0288