Related Post: 5 X 2 3 72 X 5 9x 3 8x 2 72 X 5 9x 3 8x 2 72 0 3 2 5 729 X 720 Ax 3 Ax 5 2 X 3 72 X 3 4 5 X 2 720 Chia X Nhân 5 2 X 3 720 X 5 )= 2 3 5 90 X 2 72 2 1 3 3/5 * 2/3