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折扣 例1的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
平行線的判定
第八周作业3
异形操场
球体的截面
折扣
Discover Resources
Proof of Pythagorean Theorem with Shearing
homework3
錐體的橫截面
基础知识
鸚鵡螺旋線
Discover Topics
Standard Deviation
Piecewise Functions
Angles
Secant Line or Secant
Circle