!50 cau viet lai lop 9 (P)
... Although................................................................................................................... 24. She went to bed early because of her sickness. Because she ............................................................................................................. ... .................................................................................................
Ngày tải lên: 28/09/2013, 02:10
... ( wait) for me. Being / to wait 19. I still remember (hear) her (sing) this song. Hearing / sing 20. Try (finish) it . It is no use (complain) to finish / complaining 21. I distinctly remember ... by million people every year. Is visited 1 48. Tet holiday in Vietnam (celebrate) around January and February. Is celebrated 49. He (allow) (open) a new restaurant on the main road by the city ... W...
Ngày tải lên: 28/09/2013, 02:10
... điều kiện của bài toán). ( ) ( ) ( ) ( ) ( ) ( ) ( ) 2 2 2 2 2 2 2 2 2 2 3 2 2 3 2 2 3 2 9 5 6 9 ; 2 6 9 3 2 9 2 1 4 2 1 4 3 1 4 2 2 : ; 2 2 3 1 4 2 x x x x x x A B x x x x x x x x x x C x x x x ... Chú ý: áp dụng phơng pháp hữu tỉ hoá vô tỉ để rút gọn. Loại 1: 2 1 2 1 ; 3 4 1 8 6 1 2 12 9 2 12 9 ; 6 9 6 9 A x x x x B x x x x C x x x x D x x x x = + + = + + + + = + = + + Loại...
Ngày tải lên: 03/06/2013, 01:25