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TB-CJH-OVER.
Author:
Hyacinth Wang
GeoGebra
New Resources
兩位數除以一位數（二）
兩位數除以一位數（一）
GeoGebra笔记功能体验课件
兩位數加法
兩組對邊相等和有直角的四邊形
Discover Resources
三角形重心(相關說明)
數未學習社12/15
gjc097b21 點對三角形的對稱
Angles in intersecting and parallel lines
橢圓2--四圓心近似法
Discover Topics
Cuboid
Integral Calculus
Percentages
Centroid or Barycenter
Polynomial Functions