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黄金螺线与向日葵
Author:
宋晓燕
GeoGebra
New Resources
畫出對稱圖形
判斷球體
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
三位數除以一位數（二）
Discover Resources
不等式
橢圓軌跡(兩同心圓)102.12.04
內切圓滾動有圖更新
reflectional symmetry_4
Quiz on Solving One-step Linear Equations (1)
Discover Topics
Logarithmic Functions
Similarity Transformation or Similarity
Triangles
Parametric Curves
Confidence Interval