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Author:
junfeilx
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
画直线等分三角形的面积
球體建築師
兩位數除以一位數（一）
Discover Resources
幾何作業
柱體建築師
Chapter02
弹簧
test02繪本用
Discover Topics
Conic Sections
Polynomial Functions
Statistics
Pythagoras or Pythagorean Theorem
Circumcircle or Circumscribed Circle