Question

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

Answer 1

1- (-3+6+1) -[4-(6-3+1)]
1+3-6+1-[4-6+3-1]
11-13
= -2 

Answer 2

1 -  ( 4 ) - [ 4 - ( 4 ) ]
1 - 4 - 0
-3 Rpta