Question

{2 [ 5+ ( 3+7 -4) ]} 5+3 X 2-(8-60)X 5=

Answer 1

{2 [ 5+(3+7-4)]} 5+3•2 -(8-60)•5=
{2[5+(10-4)]} 5+6-(-52)•5=
{2[5+6]} 11 + 52•5=
{2 + 11} 11 + 260=
13 + 271 = 284