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20191005(2)高二孝李昭明
Author:
lee chao ming
GeoGebra
New Resources
常见四边形是否是双心四边形
科赫雪花
圓的基本性質
异形操场
百分數及其應用
Discover Resources
讀量杯上的刻度
sincos
行星運動
國徽
圆面积应用
Discover Topics
LCM and GCD
General Quadrilateral
Sequences and Series
Incircle or Inscribed Circle
Inequalities