Related Post: X 2 4 X 4 16 X 2 4 X 4 1 X 4 2 X 3 4 1 6 4 X 2 4 X 1 0 4 X 2 X 10 4 4 X 2 4 X 1 5 2x 2 4 X 1 4 4 X 3 2 X 4 )=- 18 X 4 3x 2 4 X 1 X 2 X 4 1 8