liti New member Xu 150 14/4/10 #1 ĐỀ THI TỐT NGHIỆP 2009 [PDF]https://server1.vnkienthuc.com/files/23/DeCtToan_GDTHPT09.pdf[/PDF]
liti New member Xu 150 14/4/10 #2 [PDF]https://server1.vnkienthuc.com/files/23/DeCtToan_GDTX09.pdf[/PDF]
liti New member Xu 150 14/4/10 #3 [PDF]https://server1.vnkienthuc.com/files/23/De06Toanphanban.pdf[/PDF]