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Ex 12C NO.7
Author:
Jacky Tear
GeoGebra
New Resources
常见四边形是否是双心四边形
双心四边形
正方形雪花图案
活动三:应用性质
平行線的判定
Discover Resources
以剪貼比較圖形大小 題1
My First Geogebra Book
範例一
hihihi
运动变化的二次函数图象.许兴华数学
Discover Topics
Polygons
Numbers
Area
Definite Integral
Curve Sketching