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平面鏡成像 Image of Plane Mirror Reflection
Author:
W.L. Wong, Albert
GeoGebra
New Resources
兩位數除以一位數（一）
找出對稱軸
柱體建築師
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
數字棋盤
等差數列的和
hint
圆-视觉差
翰林數學_2下_CH3-4_樞紐定理
Discover Topics
Reflection
Real Numbers
Boxplot
Conditional Probability
Pythagoras or Pythagorean Theorem