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期中五-3.1
Author:
俞长家
GeoGebra
New Resources
椭圆内切圆链
GeoGebra数学资源(4-8年级)
折扣
第八周作业3
双心四边形
Discover Resources
生活中的平面圖形關係─相似
重心三等分三角形
凸透镜成像
橢圓2-四圓心近似法
柱面
Discover Topics
Division
Square
Cylinder
Calculus
Linear Equations