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四點距離最小
Author:
陳正鴻
GeoGebra
New Resources
算柱 (兩位數)
画直线等分三角形的面积
找出對稱軸
【案例】2018年全国1卷理科12题
兩位數加法
Discover Resources
畢氏定理倒水法
初心者的進化
ma_test
二年級-柱體的觀察
林昌翰 拋物面鏡
Discover Topics
Quadrilaterals
Bar Chart or Bar Graph
Parametric Curves
Secant Line or Secant
Similar Triangles