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Author:
fei liu
GeoGebra
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第八周作业1
龙形曲线-分形龙
盈利與虧蝕
平行線的判定
撒针估算面积实验
Discover Resources
測試
Building Prisms 建造角柱體
等弦則等弦心距
蚂蚁爬行最短距离问题的副本
两角差的正切公式的证明
Discover Topics
Sine
Pyramid
Line Segment
Symmetry
Vectors