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How to draw a triangle with ruler and compasses?
Author:
Pythoner
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
兩位數除以一位數（二）
拼砌四邊形
第八周作业
Discover Resources
史坦納圓 (Steiner Circle)
教學－棱柱摺紙樣式
不是平行四邊形的四邊形
探究
圆之吻（Apollonius circles）
Discover Topics
Trigonometry
Cone
Root
Difference and Slope
Pyramid