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Jiawen Yun

Author:Jiawen Yun

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祖冲之的期望：内棋与外棋
【案例】2018年全国1卷理科12题
空间中两直线的位置关系
多邊形的面積
【案例】2013年安徽高考15题

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永遠固定大小的圖片
正十二面體
正六面體摺疊
Conjecture (Tropical Hoehn's Conjecture)
k126各國基地

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Trigonometry
Rational Numbers
Inequalities
Bar Chart or Bar Graph
Combinatorics

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