6 3 8 x 2 July 8, 2019 16 32 64 128 6 3 8 x 2 air filter 6 3 8 х 2 6 3 8 x 4 1 2 3 6 8 x 2 2 4 6 3 8 x 8 1 2 6 8 x 2 )= 3 7x 3 6 3 8 4 x 2 5 6 8 x 2 )= 3 4x 6 8 x 2 )= 3 2x 8 3 x 6 )= 20 3 8 x )+ 9 6 2x 7 6 x 8 )= 3 2x 7 6 x 2 )+ 8 3 2x 4 3 x 8 2 y 6 9 5 8 3 x 2 6
