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固定面積的圖形周界變化
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
折扣
活动三：应用性质
第八周作业
双心四边形
科氏力 (Coriolis Force)
Discover Resources
圓心角
畫三角形 題1b 的複本
少了一個質數One less prime number
谢氏地毯
"拈" 類遊戲之一-搶21遊戲 The 21 game
Discover Topics
Linear Functions
Curve Sketching
Numbers
Trigonometry
Algebra