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雙橢
Author:
Lin Ching Chieh
GeoGebra
New Resources
近似值：有效數字
四邊形的特性
球體建築師
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
Discover Resources
ex 2
周界
Perimeter
比例中的定值問題(三)
自动变大标签模板
Discover Topics
Complex Numbers
Circle
Pythagoras or Pythagorean Theorem
Ratios
Perimeter