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2019~2020厦门九上期末倒二题
Author:
张书真
GeoGebra
New Resources
常见四边形是否是双心四边形
龙形曲线-分形龙
正方形雪花图案
盈利與虧蝕
三角函数 的副本
Discover Resources
正方形
證平行四邊形 (對邊相等)
盾牌~~~~
perimeter
圓面積的應用
Discover Topics
Vectors 3D (Three-Dimensional)
Derivative
Algebra
Vectors
Centroid or Barycenter