Question

{-3+[6-(8-11-7)+8]-10}

Answer 1

{-3 [ 6 -( 8 -11 -7 ) +8 ] -10}

{-3 [ 6 -( -10) +8 ] -10}

{-3 [ 6 +10 + 8 ] -10}

{-3 +24 -10} = 11