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習題0330-2017
Author:
許志昌
GeoGebra
New Resources
第八周作业
判斷球體
兩位數除以一位數（一）
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
Discover Resources
How to draw a decagon with ruler and compasses?
直線的投影量
test07
生长的海螺
正投影
Discover Topics
Rhombus
Planes
Centroid or Barycenter
LCM and GCD
Root