Wu Yucheng, a senior middle school math teacher with the title of "national Outstanding teacher", is a national first-grade math Olympic coach and special editor of Mathematics Weekly.
吴玉成，中学数学高级教师，全国优秀教师，中国数学奥林匹克壹级教练员，《数学周报》特邀编辑。
Wu Yucheng, a senior middle school math teacher with the title of "national Outstanding teacher", is a national first-grade math Olympic coach and special editor of Mathematics Weekly.
吴玉成，中学数学高级教师，全国优秀教师，中国数学奥林匹克壹级教练员，《数学周报》特邀编辑。
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