[r]
(1)Tiếng việt lớp Luyện từ câu http://e-learning.hanoiedu.vn/cntt2012/e-learning/th/04/e-learning/ Địa lý lớp Châu Phi http://e-learning.hanoiedu.vn/cntt2012/e-learning/th/09/
http://e-learning.hanoiedu.vn/cntt2012/e-learning/th/04/e-learning/ http://e-learning.hanoiedu.vn/cntt2012/e-learning/th/09/ http://e-learning.hanoiedu.vn/cntt2012/e-learning/th/14/ http://e-learning.hanoiedu.vn/cntt2012/e-learning/th/07/