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旁心小結論
Author:
黃國斌
GeoGebra
New Resources
圓的基本性質
撒针估算面积实验
龙形曲线-分形龙2
第八周作业1
折扣
Discover Resources
龍騰4_1-1課隨3
三角形重心軌跡(動點在三圓上)
蝴蝶線 butterfly line
方向餘弦
生活中的平面圖形─多邊形的性質
Discover Topics
Geometric Distribution
Conic Sections
Parallelogram
General Quadrilateral
Constructions