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ptccs2new
Author:
Cheung Wing Chuen
GeoGebra
New Resources
平行線的判定
龙形曲线-分形龙
直線的斜率：水平變化 & 鉛垂變化
第八周作业1
圓的基本性質
Discover Resources
固定面積的圖形的周界變化
橢圓
Quiz on Polar Coordinates (1) 極坐標測驗1
Orthocentre
第一組-垂心
Discover Topics
Real Numbers
Exponent
Multiplication
Poisson Distribution
Geometry