Related Post: 1 2 3 X 2 1 6 1 2 3 2 1 6 2 1 3 X 2 )/ 4 X 1 )/ 6 1 2 3x 2 )- 1 5 X 6 )= 5 2 3x 3 2 1 6 6 1 2 X 3 1 2 Envelopes 2 X 3 )= 1 2 6x 4 3 X 1 2 3 Y 1 2 6 3 1/7 X 2 1/2