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三心：與三角形形狀的關係
Author:
葉宇笙
可以拉動頂點改變三角形，觀察三心位置變化。
GeoGebra
New Resources
第八周作业
國旗 (作圖步驟直接餵給 Claude)
sanjiaohanshu
長方體平面投影 (Codex版)
Nested spiral octagon
Discover Resources
螢橋國中80209傅筱筑
n star
封閉區域著色
test
Copie de 河內塔 (Tower of Hanoi)
Discover Topics
Trigonometric Functions
Hypergeometric Distribution
Combinatorics
Differential Equation
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