6 x 12 48 July 8, 2019 16 32 64 128 _- 6 12 x 9 48 1 6 12 x 48 6 12 21 x 48 6 x 48 belt 12 disc combo sander X 6 5x 12 7x 48 180 6 x 48 belt 12 disc combination sander 6 x 48 belt 12 disc sander 12 18 x 6 48 12 n − 6 x 48 12- 15-(- x 6) = 48 Âm âm 6 12 x 9 48 48 6 x 12 8