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橢圓之極偶 / polarity for ellipse
Author:
XIE Yuheng
GeoGebra
New Resources
拼砌四邊形
【案例】2018年全国1卷理科12题
直角坐標平面上的旋轉變換
第八周作业
兩位數除以一位數(二)
Discover Resources
能量守恆
偏心的農夫?
log functions
perimeter
f(x)=cosx的圖形--伸縮與平移
Discover Topics
Tree Diagrams
Symmetry
Circle
Linear Programming or Linear Optimization
Trigonometry