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Heidi Lin - Conic Section
Author:
heidi1104
GeoGebra
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第八周作业3
平行線的判定
中华人民共和国国旗
常见四边形是否是双心四边形
第八周作业
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Decimal
圓周角與圓心角的關係
ghseh 二次函數描點法左右平移-3
基础知识
莱洛三角形的互滚
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Symmetry
Natural Numbers
Linear Equations
Rational Numbers
Quadrilaterals