8 7 x 40 July 8, 2019 16 32 64 128 7 8 x 400 8 x 7 )+ 16 =- 40 8 х 7 )+ 16 =- 40 7 8 x 40 1 8 7 x 8 40 2 8 2x 7 x 40 8 7 − x ≥ 40 7 over 8 x 40 8 40 x 7 39 7 15 x 40 8 15 Din 6885 a 8 x 7 x 40 7 x 8 40 x 9
