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密鋪5
Author:
chen mingchuan
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
球體建築師
判斷球體
Discover Resources
正弦定理的副本
轨迹最值问题
少了一個質數One less prime number
数矩形个数
西瓦定理
Discover Topics
Means
Reflection
Triangles
Circumcircle or Circumscribed Circle
Bar Chart or Bar Graph