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張靜文
Author:
張瀞文
GeoGebra
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近似值：有效數字
Nested spiral octagon
算柱 (兩位數)
中華民國國旗 (Codex╱2026.10.06)
四邊形的特性
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複合棒形圖: 圖二
畢氏定理
公切線(配合Dilate指令)
以 Unit Circle 了解 Sine 的正/負的副本
小立方体组合的三视图-立方体可任意拖动
Discover Topics
Intersection
Geometric Mean
Curve Sketching
Limits
Calculus