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櫻花鉤吻鮭
Author:
Lin Ching Chieh
GeoGebra
New Resources
Nested spiral octagon
兩組對邊相等的四邊形
Earth with coastline
國旗 (Claude 版)
美國國旗 (Codex 版)
Discover Resources
長方形和正方形的面積_題F
幾何萬花筒(難度90%)
三節棍
畢氏定理完成20170330
剪切成正三棱柱（制作：李三军，修订：孟宝兴）
Discover Topics
Dilation
Trigonometry
Kite
General Quadrilateral
Diagrams