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Heidi Lin - Conic Section
Author:
heidi1104
GeoGebra
New Resources
異分母分數減法
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
球體建築師
第八周作业
Discover Resources
小精靈
纏繞畫
test000
七巧板
维纳斯的身高 （简易版）
Discover Topics
Interest Calculation
Rhombus
Straight Lines
Mode
Cuboid