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形心
Author:
Jensen Wong
Topic:
Centroid or Barycenter
GeoGebra
New Resources
第八周作业
異分母分數減法
兩組對邊相等的四邊形
球體建築師
算柱 (兩位數)
Discover Resources
國旗製作
太极图
SSA為何不能保證全等
霓虹燈
随机模拟实验（撒豆子估算π）的副本
Discover Topics
Calculus
Plane Figures or Shapes
Straight Lines
Right Triangles
Means