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Transit of Venus - Pentagram
Author:
Chenwei Chen
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
第八周作业
球體建築師
Discover Resources
用心包裝的禮物
四下_面積（一）(教師版)
堆朵4邊形(試算表版)
圓錐曲線圖輯
一个桶八个球
Discover Topics
Orthocenter
Confidence Interval
Sine
Median Value
Parametric Curves