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比較角的大小2
Author:
cheukyiu813
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
找出對稱軸
Discover Resources
拋物線與直線關係
三角形外心的位置
百變糖果棒
賺賠：例1的副本
生日问题
Discover Topics
Hyperbola
Arithmetic Mean
Incircle or Inscribed Circle
Arithmetic
Parallelogram