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Introduce tangent ratio
Author:
VCChung
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
找出對稱軸
異分母分數減法
Discover Resources
好玩的輪盤
指數與對數的對稱性
淮阴2015-28
一元二次方程式-應用問題(兩圓相切)
同側AP+BP最小值
Discover Topics
LCM and GCD
Conic Sections
Pythagoras or Pythagorean Theorem
Translation
Orthocenter