mình mới down về,post lên mọi người cùng xem
https://server1.vnkienthuc.com/files/92/HocNhanh-Daiso.pdf
https://server1.vnkienthuc.com/files/92/Hocnhanh-Luonggiac.pdf
https://server1.vnkienthuc.com/files/92/HocNhanh-Phanconlai.pdf
nguồn:mathvn.com
https://server1.vnkienthuc.com/files/92/HocNhanh-Daiso.pdf
https://server1.vnkienthuc.com/files/92/Hocnhanh-Luonggiac.pdf
https://server1.vnkienthuc.com/files/92/HocNhanh-Phanconlai.pdf
nguồn:mathvn.com