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Copy of gjc091b18 圓的割線
Author:
felixchow
,
均一
GeoGebra
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三位數除以一位數（二）
拼砌四邊形
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
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Mobius 變換
正弦定理的验证
中国GeoGebra用户认证说明
Question 8
正弦函數的伸縮及平移
Discover Topics
Trigonometry
Intersection
Ellipse
Logarithmic Functions
Congruence