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ROTATION 1A
Author:
lo yat lung
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
找出對稱軸
畫出對稱圖形
兩位數除以一位數(二)
Discover Resources
相似三角形: 重溫
畢氏定理動態證明(歐基里得,應用時間參數跳躍函數)
畢氏定理(遮蔽法)
等角作圖
Inclined plane (Angle between two planes)
Discover Topics
Rhombus
Trigonometry
Median Value
Ratios
Definite Integral