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Dyfyniad Arddull ChicagoBin, Xiong, and lee Peng Yee. Mathematical Olympiad in China (2007-2008): Problems and Solutions. Singapore: World Scientific, 2009.
Dyfyniad MLABin, Xiong, and lee Peng Yee. Mathematical Olympiad in China (2007-2008): Problems and Solutions. World Scientific, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.