Question

a) {-2+[-3 -(8+1]}

b) -2{+4[-(1+2)-6]+1}1​

Answer 1

a) {-2+[ -3-( 8+1)]}
{-2+[-3-9]}
{-2+[-12]}
{-2-12}
{-14}
-14

b) -2{+4[-(1+2)-6]+1}1
-2{+4[-3-6]+1}1
-2{+4-9+1}1
-2{-4}1
-2-4.1
-2-4
-6