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廣義角的代換(90度加減角度)
Author:
yuchengda
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
畫出對稱圖形
兩組對邊相等的四邊形
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glt-h02-05-圓錐展開
軌跡觀察---三同心圓上的三角形重心軌跡
第10题
分步骤展示作图过程样例
Pyth. theorem
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Incircle or Inscribed Circle
Hyperbola
Random Experiments
Optimization Problems
Mathematics