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21222 3半圓相切
Author:
YSF
GeoGebra
New Resources
科赫雪花
斐波那契螺旋弧线(表格法)
第八周作业1
科氏力 (Coriolis Force)
百分數及其應用
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周界-平移法(教學練習一)
三角形外心
GGB作業
Copy of 梯形
滾動圓周來發現圓周長 的複本
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Conic Sections
Ellipse
Cone
Linear Programming or Linear Optimization
Similar Triangles