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形心计算
Author:
阳光
Topic:
Centroid or Barycenter
GeoGebra
New Resources
兩位數除以一位數（一）
判斷球體
兩位數除以一位數（二）
四邊形的特性
画直线等分三角形的面积
Discover Resources
滾出直線之2
Addition / Subtraction of 3 Directed Numbers
外角定理直觀教材
平分线段或角
可控九九乘法口诀表
Discover Topics
Cuboid
Circumcircle or Circumscribed Circle
LCM and GCD
Sequences and Series
Algebra