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the definition of ellipse
Author:
丁明智
GeoGebra
New Resources
球體建築師
找出對稱軸
兩位數除以一位數（二）
【案例】2013年安徽高考15题
兩位數除以一位數（一）
Discover Resources
一元二次方程式
test
國旗
中國火柴遊戲二的副本
虎牙直播
Discover Topics
Scatter Plot
Conditional Probability
Volume
Pythagoras or Pythagorean Theorem
Hypothesis Testing