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congruent triangle_provided by Mr Yeung Kar Chun
Author:
kidmancmw
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
異分母分數減法
四邉形 (四年級) 教師版
兩位數除以一位數(一)
兩組對邊相等和有直角的四邊形
Discover Resources
我的第一個GGB動畫
圖形的內部、外部與周界
Hyperbolic Paraboloid 的製作
moni
勒洛四面体(参数曲面法)
Discover Topics
Rhombus
Centroid or Barycenter
Solids or 3D Shapes
Inequalities
Matrices