... indicate how air traveled from the barrel to the bell? A. Line 18-19 B. Line 15-17 C. Line 12 -13 D. Line 6-8 Question 64: In which paragraph does the author describe the diving bells that precede ... B 4 A 44 A 5 C 45 A 6 D 46 B 7 B 47 A 8 D 48 B 9 A 49 C 10 A 50 C 11 D 51 D 12 B 52 B 13 C 53 D 14 A 54 C 15 D 55 C 16 D 56 B 17 C 57 D 18 D 58 C 19 A 59 D 20 D 60 C 21 C 6...
Ngày tải lên: 24/02/2014, 12:20
... u  = = - - r r r PTTQ ca (P): 2( 0) 1( 1) 3( 4) 0 2 3 13 0x y z x y z- - + - - + = - + + = Khong cỏch gia AB v D bng: 2 2 2 2.1 4 3.1 13 14 ( ,( )) 14 14 2 ( 1) 3 d M P - + + = = = + - + ... 1 4 u u ổ ử - - - - ữ ỗ ữ ỗ  = = - - ữ ỗ ữ ỗ - - - - ữ ữ ỗ ố ứ r r (1;3;5) [ , ]. 1.1 1.3 3.5 13 0AM u u AM  = ị = - + - = - ạ uuuur uuuur r r Vy, AB v D chộo nhau. Mt phng (P) cha hai...
Ngày tải lên: 24/02/2014, 16:20