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KochWithTool
Author:
Peng-Jen Lai 賴鵬仁
GeoGebra
New Resources
多邊形的面積
圓周公式的應用
平行線的斜率
球体的体积推导（优化版）
空间中两直线的位置关系
Discover Resources
GeoGebra培训手册素材
堆朵
(001)80102史巧薇
彩色立体方阵、点阵
SolvingEquation_Ver3
Discover Topics
Integers
Combinatorics
Arithmetic Operations
Logic
Numbers