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Introduce tangent ratio
Author:
VCChung
GeoGebra
New Resources
四邉形 (四年級) 教師版
四邊形的特性
兩組對邊相等和有直角的四邊形
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
範例：丟骰子
學資p.13第8題
對稱圖形
北門高中
正方體展開(動畫脫鉤).ggb
Discover Topics
Volume
Upper and Lower Sum or Riemann Sum
Correlation
Terms
Symmetry