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橢圓的軌跡
Author:
chiway
Topic:
Ellipse
GeoGebra
New Resources
畫出對稱圖形
找出對稱軸
画直线等分三角形的面积
三位數除以一位數(一)
第八周作业
Discover Resources
试卷讲评
直角三角形與正三角形
百葉窗2
比較分數的大小(小六)
S6G2用随机法来估算圆周率Pi
Discover Topics
Quadratic Functions
Congruence
Cone
Combinatorics
Rhombus