Related Post: 2 X 4 5 X 3 2 X 4 5 X 2 X 4 5 X 7 2 X 4 5 X 10 2 X 4 5 X 8 2 3 X 4 5 X 6 7 2 X 10 4 5 X 10 3 7 X 2 )- 4 5 X )= 1 2 X 2 )+ 5 4 X 6 )+ 3 2 X 3 )+ 4 X 5 )- 3x