3 2 x 7 8 July 8, 2019 16 32 64 128 3 2x 2 =- 7 8 3 1 2 x 7 8 3 2 5 x 7 8 3 4 1 2 x 7 8 3 2 x 5 8 7 4 2 3 4 x 7 8 Х 2 3 )-( х 7 8 3 х 2 )-( 5х 7 )= 8 3 1 2 x 11 7 8 psl 2 x 7 8x 3 2 3 x 5 8 7 12 4x 3 2x 2 8x 7 3 x 7 )+ 8 2x 5 3 x 7 )= 2x 8 3 2x 7 81