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未命名
Author:
Kook kin yip
GeoGebra
New Resources
百分數及其應用
龙形曲线-分形龙
常见四边形是否是双心四边形
圓的切線方程
第八周作业1
Discover Resources
clock
ray tracing of intraocular eye
柱體建築師 2
三角形的面積
椭圆的光学性质
Discover Topics
Means
Incircle or Inscribed Circle
Sequences and Series
Cosine
Translation