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S0G38 三角形的內心
Author:
学用数学
GeoGebra
New Resources
找出對稱軸
兩位數加法
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
線段比較大小-01
圓在直線上滾動
線性規劃
graph of functions
函數交點
Discover Topics
Power Functions
Surface
Subtraction
Area
Isosceles Triangles