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反射定律 Law of Reflection
Author:
W.L. Wong, Albert
GeoGebra
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近似值：有效數字
長方體平面投影 (Codex版)
找出對稱軸
美國國旗 (Claude 版)
第八周作业
Discover Resources
Building Pyramids 建造角錐體
congruent (SA) 2
旋轉三角形
比較角的大小 一
鸚鵡螺旋線
Discover Topics
Reflection
Definite Integral
Angles
Pythagoras or Pythagorean Theorem
Conic Sections