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圓的內接四邊形
Author:
曾己泉
用滑鼠移動圓形的點觀察角度的變化與角度和
GeoGebra
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【案例】2018年全国1卷理科12题
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
畫出對稱圖形
四邊形的特性
Discover Resources
四下_認識小數(教師版)
final report
史坦納圓鍊 (Steiner Chain)
y=mx+k
圆跟踪案例学习
Discover Topics
Geometric Transformations
Complex Numbers
Tree Diagrams
Cube
Trapezoid