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符成岗
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符成岗
GeoGebra
New Resources
【案例】2013年安徽高考15题
球體建築師
兩組對邊相等和有直角的四邊形
四邊形的特性
兩位數除以一位數（二）
Discover Resources
河內塔 (Tower of Hanoi)
整數÷整數_工作紙（一）_題6
三角形面積
F1 Chapter 8 - Rotation in Coordination Plane(Advanced)
五星红旗
Discover Topics
Fractions
Differential Calculus
General Quadrilateral
Incircle or Inscribed Circle
Rational Numbers