6 8 x 20 July 8, 2019 16 32 64 128 6 8 x 200 6 x 8 x 20 pressure treated lumber 3 8 6 14 x 20 2 20 x )= 6 8 x 7 8 3 x 6 )= 20 13 * x 8 6 * x 20 6 x 8 x 20 beam 5 6 8 x 20 36 2 4 6 8 x 2000 2 4 6 8 x 2014 10 8 6 x 20 5 24 (- 6 x 8 20 (- 5 Resultado de 8 6 x 20 2 x 6 )+ 8 20 X 4 6 8 20