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congruent (AAS) 3
Author:
Ricky Chan
GeoGebra
New Resources
近似值：有效數字
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
sanjiaohanshu
四邊形的特性
Discover Resources
餘弦定理
日照图
三次函數圖形
小圓外繞大圓
二面角的夹角
Discover Topics
Line Segment
Surface
Probability
Circumcircle or Circumscribed Circle
Linear Equations