4 5 x 12 6 July 8, 2019 16 32 64 128 4 5 12 х 6 53 4 5 x 12 4 6 2 12 4 5 x 15 )= 2 5x 6 5 6x 4 )+ 7 x 6 )=- 12 1 4 6 x 5 12 1 5 x 9 4 x 12 6 3 4 x 5 12 5 6 5 4 x 6x 12 5/4 x 6 x 12 4 9 x 5 12 x 6 3x 5 4 x 6 12 1 4 5 12 10 x 6 9 2 10 5 4 x 12 5 6 100 3 x 12 4 5 x 12 6 5 4 x 6 x 12 deck boards