4. Bai tap toan cao cap tap 2.pdf
3. Bai tap toan cao cap tap 1.pdf
Vietnam Research Company_GCOMM Credential
100 nicepolynomialproblemswithsolutionsversion2
Bai toan bon mau
Dinh li ve do thihuuhan
Bai toan dung tam giac tu chan duong phan giac
Hagge circle
Thtt 413 (11 2011)
100 nicepolynomialproblemswithsolutions
Thtt 400 (10 2010)
Thtt 387 (09 2009)
Ti so vang
Anylitic combonatoric
Thtt 427 (01 2013)
Dai sott&hh giaitich
367 batdangthuc chon
Bai taptoancaocaotap1
Eriq lemma & application
