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周界
Author:
Cheung Wai Yee
,
Anthony OR 柯志明
,
Angela Yan
GeoGebra
New Resources
四邊形的特性
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
JS 測試檔
趙庭浩的GGB電子書
三位小數
Ext angle cyclic quad
Investigation on definite integral
Discover Topics
Median Value
Area
Complex Numbers
Derivative
Square