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探究判定全等三角形的条件（ SSA? & HL！）
Author:
孙敏捷
GeoGebra
New Resources
兩組對邊相等的四邊形
三位數除以一位數（二）
四邉形 (四年級) 教師版
畫出對稱圖形
找出對稱軸
Discover Resources
判斷線型函數y=f(x)=ax+b的a值(隨機出題)
gjh-e01-04 未知數角度的三角形
國旗
除法2
geogebra和初中数学课程深度融合
Discover Topics
Stochastic Process or Random Process
Statistical Characteristics
LCM and GCD
Trigonometry
Centroid or Barycenter