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GGB量筒
Author:
曾耀輝
GeoGebra
New Resources
常见四边形是否是双心四边形
第八周作业
百分數及其應用
双心四边形
龙形曲线-分形龙
Discover Resources
ghrtghrtghrtgbr
qid_39321
三角四星
test05
小正多边形在大正多边形内的滚动(边长相等)
Discover Topics
Optimization Problems
Polygons
Curve Sketching
Congruence
Numbers