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作三角形
Author:
龚佳林
已知三边作三角形(SSS)
GeoGebra
New Resources
異分母分數減法
錐體建築師
畫出對稱圖形
【案例】2018年全国1卷理科12题
找出對稱軸
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音調與空氣柱
改變橢圓的形狀
同旁內角---垂直平行綫
直角三角形的內心與相似
C60足球模型(多边形)
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Mode
Inequalities
Linear Programming or Linear Optimization
Pyramid
Combinatorics