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原充老師
GeoGebra
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GeoGebra数学资源(4-8年级)
中华人民共和国国旗
第八周作业
百分數及其應用
湖南省中职数学教师省培(GeoGebra培训案例)
Discover Resources
Percentage
有趣的反例
夜市麻將2
三角形
禪繞畫
Discover Topics
Algebra
Numbers
Statistics
Conic Sections
Quadrilaterals