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符成岗
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符成岗
GeoGebra
New Resources
GeoGebra笔记功能体验课件
柱體建築師
三位數除以一位數（一）
球體建築師
【案例】圆柱体内放置一个大球六个小球
Discover Resources
設備設計
supplementary
多邊形面積(分割法)
麻之葉
五組搶答
Discover Topics
Secant Line or Secant
Frequency Distribution
Kite
General Quadrilateral
Pythagoras or Pythagorean Theorem