Question

{4+0-4+[2+0-2]-1.(4-3)} + {4+2-6}+1 =? *

Answer 1

{4 + 0 - 4 + [2 + 0 - 2] - 1 . (4 - 3) } + {4 + 2 - 6} +1

[ 4 - 4 + ( 2 - 2 ) - 4 + 3 ] + ( 6 - 6 ) + 1

( 0 + 0 - 1 ) + 0 + 1

- 1 + 1

= 0