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waaachen
Author:
陳兪宏
梯形求面積form ptt家教版
GeoGebra
New Resources
找出對稱軸
第八周作业
兩組對邊相等和有直角的四邊形
判斷球體
三位數除以一位數（一）
Discover Resources
Symetry
Heidi Lin - Conic Section
Is this a prism 8
調和平均數、算術平均數、幾何平均數、平方平均數之間的不等式
贪吃蛇小游戏
Discover Topics
Sphere
Division
Geometric Mean
Tangent Line or Tangent
Natural Numbers