1 a 1 b 1 c 3 4 5 July 8, 2019 16 32 64 128 A 1 2 1 b 2 1 3 c (- 4 7 5 1 a 1 b 1 c 3 4 5 then a b c If 1 a 1 b 1 c 3 4 5 then a b c If 1 3 a 1 4 b 1 5 c then abc is Cho 3 điểm a 1 2 1 b 2 1 3 c (- 4 7 5 Cho a 2 1 1 b (- 1 3 1 c 5 3 4 Let a 1 5 b 3 4 and c 1 1 1 2 3 4 a b c d e f g A 1 2 3 4 5 6
