Sun Wenxian, Chairman of Adminstrative Committee of Invitational World Youth Mathematics Intercity Competition, Director of Financial Group, Chairman of taipei Jiuzhang Mathematics Education Foundation

 
  • 青少年數學(xué)國際城市邀請賽行政委員會(huì )主席、財團法人臺北市九章數學(xué)教育基金會(huì )董事長(cháng)
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