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40211 教師應該敢於直接面對學生的“質疑”
Author:
Yu-Tuan Lin
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
拼砌四邊形
Discover Resources
層層出現的圓
Constructing Quadrilaterals by Four Sides (2014)
禪繞畫2
椭圆的中点弦的轨迹.许兴华数学
圆与圆的位置关系
Discover Topics
Functions
Vectors
Rational Numbers
Symmetry
Difference and Slope