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EX3.18
Author:
Pokman Cheng
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
三位數除以一位數（一）
判斷球體
算柱 (兩位數)
Discover Resources
交點軌跡動態
偏導數
艾雪鑲嵌
等分格線上的向量
畢氏
Discover Topics
Secant Line or Secant
Symmetry
Histogram
Solids or 3D Shapes
Function Graph