Ngày tải lên: 22/07/2013, 01:26
Đề thi HSG Anh 9 Đề 2+Đáp án
... gold valuable watch 25 . Somebody forgot this hat. I wonder a. whose is this hat. b. whose hat this is. c. whose hat is this. d. is this whose hat. 26 . You shouldn’t go to the meeting you’ve ... benefits ! 1. 2. 3. 4. 5. 6. 7. 8. 9. 10 IV. WRITING ( 10 points ) Rewrite the sentences , using the words given: 1. Nobody has ever rented this expensive villa for years. This expensive 2....
Ngày tải lên: 13/06/2013, 01:25
Đề thi HSG Toán 9 vòng 2
... + ++ + = + ++ + == 2 2 )13 (2 )13( 324 2 324 324 2 324 2 2 2 x x + 2 2 )13 (2 )13( = 1 32 )13( 2 ++ + + )13 (2 )13( 2 + = )13(3 )13( 2 + + + )13(3 )13( 2 = 3 13 + + 2 2 2 2 3 13 === x Rút gọn y: 2 y = ++ + 526 20 53 526 20 53 + 153 53 153 53 )15( 52 53 )15( 52 53 22 + + = + ++ + = = 11 26 11 6 44 24 )153)(153( )153)(53()153)(53(...
Ngày tải lên: 25/06/2013, 01:26
De thi HSG huyen NĐ vong 2
... C = 6 gam > % C = 5,6 6 . 100% = 92, 3% 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0,5 0 ,25 0 ,25 0 ,25 ... P 2 O 5 + 6 NaOH 2 Na 3 PO 4 + 3 H 2 O (3) 0,5 0,5 0,5 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0,5 0,5 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25 0 ,25...
Ngày tải lên: 20/07/2013, 01:28