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Heidi Lin - Conic Section
Author:
heidi1104
GeoGebra
New Resources
球體建築師
柱體建築師
四邊形的特性
兩位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
Rotational Symmetry - Tetrahedron
三菱鏡分光 紅光與藍光的角度關係
圓外冪問題
三角形相似的直观显示.许兴华数学
椭圆的定义
Discover Topics
Mathematics
Arithmetic
Logarithm
Pie Chart or Circle Chart
Inequalities