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鏡面反射光線
Author:
紀老師
鏡面反射光線的動畫 入射角=反射角
GeoGebra
New Resources
找出對稱軸
美國國旗 (Codex, 2026.10.06)
Nested spiral octagon
國旗 (Claude 版)
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
判斷柱體 4
周界
盾牌(小動畫)
圓心角兩倍於圓周角
圆内弦（迭代）
Discover Topics
Optimization Problems
Parabola
Subtraction
Right Triangles
Median Value