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2019~2020厦门九上期末倒一题
Author:
张书真
Topic:
Algebra
GeoGebra
New Resources
常见四边形是否是双心四边形
中华人民共和国国旗
龙形曲线-分形龙
活动三：应用性质
第八周作业1
Discover Resources
阿基米德雙胞胎圓
平面幾何
平移法（一）
用極座標做時鐘的副本
周界與面積
Discover Topics
Special Points
Sequences and Series
Conic Sections
Matrices
General Quadrilateral