Related Post: 2 4 8 X 2 4 8 X 5 2 4 8 X 3 4 2 8 X 9 7 3 2 4 X )-( 8 2x 2 4 X 8 10 2 4 X 8 9 2 4 X 8 6 2 4 X 8 12 4 2 X )= 8 Class 7