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同位角__垂直平行綫
Author:
chanfushun
GeoGebra
New Resources
探究三角形的全等條件
第八周作业
圓的切線方程
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
Discover Resources
Quiz on Mixed Arithmetic Operations of Positive Integers 正整數四則混合運算：測驗
四邊形四個九點圓共點(九點心)
Shen Kuo Frustum
正五角柱(可旋轉)
F4_Ch9.1
Discover Topics
Real Numbers
Straight Lines
Special Points
Conditional Probability
Matrices