A 1 1 b 5 1 c 4 2 July 8, 2019 16 32 64 128 A 1 2 1 b 2 1 3 c (- 4 7 5 A 4 3 b (- 2 3 c (- 1 1 d 5 1 Punkty a 1 1 b 6 1 c 7 5 d 2 4 Prove that the points a 5 1 b 1 1 and c 4 2 are collinear Cho a 2 1 1 b (- 1 3 1 c 5 3 4
