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Perimeter

Author:Ting Chui Yee, Anthony OR 柯志明, Angela Yan

New Resources

Earth with coastline
長方體平面投影 (Codex版)
判斷球體
四邊形的特性
Fibonacci Clock

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proof92吳冠穎
利用对称求线段和最值
高中選修-數學(甲)2-3積分的意義-黎曼和
(003)80102史巧薇
球體建築師

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Special Points
Pythagoras or Pythagorean Theorem
Polynomial Functions
Rational Numbers
Combinatorics

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