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劉虹圻 旁心
Author:
呂麗珠
GeoGebra
New Resources
近似值：有效數字
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
兩位數除以一位數（一）
找出對稱軸
Discover Resources
斜射光三角量測
exponential function translation
三角形三邊長
GGB6
立方體展開互動版v1.0
Discover Topics
Rational Numbers
Special Points
Parabola
LCM and GCD
Centroid or Barycenter