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Properties of parallelogram(平行四邊形的性質)
Author:
chisunch1
GeoGebra
New Resources
錐體建築師
画直线等分三角形的面积
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
GeoGebra作圖─ＲＨＳ全等
平移2
ycmc P5 Math lesson 1-3
正方形堆垛
橢圓1--四圓心近似法
Discover Topics
Quadrilaterals
Geometric Distribution
Kite
Geometric Transformations
Probability