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连续开方（制作：谢建华，修订：孟宝兴）
Author:
孟宝兴
GeoGebra
New Resources
判斷球體
算柱 (兩位數)
四邉形 (四年級) 教師版
第八周作业
四邊形的特性
Discover Resources
The relation between Circular Motion &Simple Harmonic Motion
一次函数
三角四星
比一比看谁小
數值滑桿動畫
Discover Topics
Exponent
Conic Sections
General Quadrilateral
Linear Programming or Linear Optimization
Random Variables