4X X 5 X 1 4 X 3 5 2/ (3X 4)(X 2) 3 ( X X 9) 3
1/
4
x x
5
x
1 4
x
3
5
2/
(3
x
4)(
x
2) 3 (
x x
9) 3
1/
4
x x
5
x
1 4
x
3
5
2/
(3
x
4)(
x
2) 3 (
x x
9) 3