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生活中的平面圖形關係─相似
Author:
Galen_1
GeoGebra
New Resources
球体的截面
小学资源收集
平行線的判定
科赫雪花
盈利與虧蝕
Discover Resources
整數÷整數_工作紙(一)_題4
九九乘法表
Testing slope
reflectional symmetry_5
网络资源使用说明
Discover Topics
Congruence
Conic Sections
Area
Geometric Transformations
Secant Line or Secant