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平行四邊形有甚麼特性？
Author:
Anthony OR 柯志明
Topic:
Parallelogram
English version:
http://ggbtu.be/m79826
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
Angles associated with Parallel Lines 平行線上的角
GGB動畫-會有圖案
圓周 (圖形A)
Angles formed by parallel lines and transversal
翰林數學_2下_CH4-2_平行四邊形性質
Discover Topics
Root
Real Numbers
Continuity
Mode
Conic Sections