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fchengang
Author:
符成岗
GeoGebra
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科赫雪花
圓的切線方程
第八周作业2
活动三：应用性质
圓的基本性質
Discover Resources
Rotational Symmetry - Octahedron
內心
四角柱(底面、高可調整)
ghk106a11 三角形面積比
同側AP-BP最大值
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Functions
Distributions
Cuboid
Fractions
Orthocenter