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八年级奥数之双曲线
Author:
王俊辉
拖动点P，探索AF、BE的长度关系。
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
第八周作业
【案例】2018年全国1卷理科12题
算柱 (兩位數)
Discover Resources
Subdivision
rotational symmetry_3
圓內接四邊形任務二
Rectangle Prism
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
Discover Topics
Functions
Triangles
Optimization Problems
Special Points
Constructions