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圆内弦（迭代）
Author:
dhc987
GeoGebra
New Resources
柱體建築師
拼砌四邊形
【案例】2018年全国1卷理科12题
錐體建築師
兩組對邊相等的四邊形
Discover Resources
soccer
Addition of 2 Directed Numbers
max{f(x),g(x)} 與 min{f(x),g(x)}
五圓相切
雪花的碎形規律
Discover Topics
Pythagoras or Pythagorean Theorem
Median Line
Centroid or Barycenter
Rhombus
Kite