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萬花筒
Author:
陳隆期
GeoGebra
New Resources
近似值：有效數字
美國國旗 (Codex, 2026.10.06)
Nested spiral octagon
國旗 (作圖步驟直接餵給 Claude)
Claude 解幾何題
Discover Resources
腳踏車輪圈2
角α与-α的正弦函数关系
三次多項式的切線
正八角錐(旋轉，實體、透視)
syps 邊長與三角形
Discover Topics
Equilateral Triangles
Quadratic Equations
Set Theory
Vectors 2D (Two-Dimensional)
Differential Equation