Ha Duy Hung xin chao cac ban |
| Monthly and Weekly problems on the NET (I collected so many nice site) |
| Competitions on the net |
| Problems from journals |
Problems from Vietnam Undergrade Journal![]() |
| Problems and solutions set in Elementary Number Theory |
| Problem Set in Plane Geometry |
My private Problem Solving![]() |
| Mathlink and AOSP You don't know Mathlinks mean you know nothing about Math Olympiads and Problem Solving :D |
| Other Links |
Chao cac ban, ten toi la Ha Duy Hung. Hien nay toi dang day Toan tai Khoi THPT Chuyen Dai hoc Su Pham Ha Noi. Rat vui duoc giao luu voi cac ban. My name's Ha Duy Hung i come from Vietnam and i am a math |
Realy i don't like teaching much cause most of pupils now are too lazy and stupid but i know not all of them.When i have free time i ussually online the Internet to take a part in groups,searching informations... Building my webpage now is also my hobby. |
| Sending me a message to chat chit (Indeedly, i do not like chatting) |
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