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橢圓之極偶 / polarity for ellipse
Author:
XIE Yuheng
GeoGebra
New Resources
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
數線的繪製
貝氏曲線 (Bezier Surface)
扇形旋轉
S2 Chapter11.2 選擇適當的三角比
柱面
Discover Topics
Tree Diagrams
Logarithm
Real Numbers
Statistical Characteristics
Normal Distribution