Question

7) 3 – { 2 + ( 11 – 15 ) – [ 5 + ( - 3 + 1 ) ] + 8 } =

Answer 1

3-{2+(11-15)-[5+(-3+1)]+8}=

3-{2+(11-15)-[5+(-2)]+8}=

3-{2+(11-15)-3+8}=

3-{2+(-4)-3+8}=

3-3=0