Х 1 6 х 3 4 2 July 8, 2019 16 32 64 128 X 1 6 x 3 4 2 Х 3 6 х 2х 1 3 4 х 2 1 6 х 2 )+ 3 4 0 7 4 х 1 6 x 3 4 )=- 13 24 6 x 3 4 x 1 2 grinding wheel 6 x 3 4 x 1 2 wire wheel
