... + 2.K + 3.H - 3.(D -1) ³ 0 (C) (A) (B) H .1. 11e (B) (A) (C) H .1. 11a H .1. 11b (A) (B) (C) H .1. 11c (A) (B) (C) (C) (A) (B) H .1. 11d (A) (B) (C) H .1. 11f Hãû BHTT (A) (B) H .1. 11g (C) CÅ HC KÃÚT ... Thãm cạc bäü âäi 11 22334455 Hãû BBH Hãû BBH H .1. 10a(A) (B) H .1. 10b(A) (B) H .1. 10c Mäúi hn (A) (B) H .1. 10d (A) (B) H .1. 10e (A) (B) (B) (A) H .1. 10f (BHTT)(BHTT)(BH) Hãû BHTT H .1. 10g (A) (B) CÅ ... gian: - Hãû dáưm trỉûc giao (H .11 ) - Khung khäng gian (H .12 ) - Dn khäng gian (H .13 ) - Bn (H .14 ) - V (H .15 ) H.6b H.6a H.7a H.7b H .10 b H .10 a H .11 H .12 H .13 H .15 H .14 H.9a H.9b H.8a H.8b CÅ HC...