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抛物线的聚焦效果
Author:
东海1号
Topic:
Conic Sections
GeoGebra
New Resources
祖冲之的期望：内棋与外棋
圓的切線方程
平行線的斜率
【案例】2018年全国1卷理科12题
空间中两直线的位置关系
Discover Resources
數學作業
直線排列 4
八角柱(可側轉、上下轉)
量度身高
pyramid by Mr LO WY
Discover Topics
Intersection
Scalene Triangles
Random Variables
Median Value
Trigonometric Functions