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用向量找北极星
Author:
龚洪萍
Topic:
Geometry
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（二）
Discover Resources
Locus 軌跡(1T)
递推关系具有分支选项的递推数列
Copy of Finding the H.C.F. and the L.C.M.
乘加挑戰題
「相似三角形」任务1的副本
Discover Topics
Logarithm
Similar Triangles
Ellipse
Mathematics
Equilateral Triangles