6 6 x 7 2 July 8, 2019 16 32 64 128 6 6 x )= 7 7 20 6 2x 6 )= 7 x 2 6 x 7 2x 6 x 7 )= 24 6 x 7 21 6 x 7 25 6 x 1 6 x 2 7 6 x 7 6 2x 3 9 6 6 x 4 (- 7 (- 2 )) 6 x 7 2 3 6 x 7 2x 5 6 x 7 28 6 x 7 22 6 x 7 )- 20 6x 6 х 7 20