1.
Problems of Number Theory in Mathematical Competitions (Mathematical Olympiad Series)
by Hong-Bing, Yu
ISBN: 9789814271141
List Price: $28.00
2.
Senior 3-Olympic Mathematics Course-5th Edition (Chinese Edition)
by Yu Hong Bing
ISBN: 9787561723494
List Price: $6.99
OUT OF STOCK
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Mathematical Olympiad small books: High volume: 12: Mathematics in the number theory problem...
by YU HONG BING
ISBN: 9787561741610
OUT OF STOCK
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Problems and Solutions in Mathematical Olympiad (high School 3)
by Yu, Hong-bing
ISBN: 9789811231445
5.
Problems and Solutions in Mathematical Olympiad (high School 3)
by Yu, Hong-bing
ISBN: 9789811229916