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重心 謝易昀
Author:
cloudyhsieh711
GeoGebra
New Resources
兩位數加法
兩組對邊相等和有直角的四邊形
四邊形的特性
三位數除以一位數（一）
拼砌四邊形
Discover Resources
向量
proof69 陳庠宇
Mearm2
河內塔 (Tower of Hanoi)的副本
分物活動 1
Discover Topics
Vectors 3D (Three-Dimensional)
Conic Sections
Isosceles Triangles
Perimeter
Means