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geo123
Author:
hsu hung yang
hello
GeoGebra
New Resources
兩組對邊相等的四邊形
四邊形的特性
球體建築師
第八周作业
柱體建築師
Discover Resources
中一︰相似圖形（平移、旋轉、反射、放大縮小）
圓形墊圈 (Washer) 2
不規則圖形的周界(step3)
愛心
雪花的碎形規律
Discover Topics
Differential Equation
Fractions
Circumcircle or Circumscribed Circle
Right Triangles
Tangent Line or Tangent