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【2020高考】全国1卷（理科） 第18题
Author:
孟宝兴
GeoGebra
New Resources
折扣
平行線的判定
异形操场
第八周作业3
斐波那契螺旋弧线（表格法）
Discover Resources
人造「四腳獸」？
橢圓之極偶 / polarity for ellipse
(007)80102
点的轨迹
七巧板
Discover Topics
Linear Equations
Vectors 2D (Two-Dimensional)
Vectors
LCM and GCD
Division