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三角形，邊上平分面積
Author:
tommy15988713
Topic:
Triangles
GeoGebra
New Resources
異分母分數減法
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
找出對稱軸
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優質教育基金計劃中期分享會 (26/6/2015)
等值分數
三角形的三中線交於一點(重心)
Physics
点、线、角
Discover Topics
Perimeter
Bar Chart or Bar Graph
Polygons
Similarity Transformation or Similarity
Kite