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形心计算
Author:
阳光
Topic:
Centroid or Barycenter
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
異分母分數減法
畫出對稱圖形
兩位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
Sine Formula 正弦公式
HKDSE 3D Figures
二次函數：係數與圖形的變化
四邊形的特性
Ｍy GGC-1
Discover Topics
Difference and Slope
Statistical Characteristics
Translation
Cylinder
Upper and Lower Sum or Riemann Sum