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用向量找北极星
Author:
龚洪萍
Topic:
Geometry
GeoGebra
New Resources
第三周作业效果演示
撒针估算面积实验
盈利與虧蝕
龙形曲线-分形龙2
圓的基本性質
Discover Resources
Angle Sum of Pentagon (SWC)
Heidi Lin - Conic Section
線性組合2： 三角形
分压电路的总电阻的变化情况
二階克拉瑪公式_找x
Discover Topics
Sequences and Series
Right Triangles
Fractions
Mode
Cuboid