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折纸得到椭圆
Author:
王广喜
GeoGebra
New Resources
平行線的判定
折扣
直線的斜率：水平變化 & 鉛垂變化
科赫雪花
第八周作业2
Discover Resources
Geogebrafinal Mak Tik Hong 11043289
CK雋翔的GGB BOOK
塗鴉
滑桿動態指令(動畫根本指令)
k126各國基地
Discover Topics
Pythagoras or Pythagorean Theorem
Geometry
Complex Numbers
Polygons
Congruence