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Author:
Ching-Hui Chou
GeoGebra
New Resources
兩位數加法
画直线等分三角形的面积
四邉形 (四年級) 教師版
算柱 (兩位數)
拼砌四邊形
Discover Resources
切線斜率
DSE Circle-ACT05A Exterior Angle of a Cyclic Quadrilateral
gjc102a14 三角形內的高
S2 Angles Related to Rectilinear Figures
泰勒展开式
Discover Topics
Circumcircle or Circumscribed Circle
Kite
Linear Regression
Polygons
Rotation