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切線段等長

Author:謝易達

可移動P點，檢查切線段是否等長

New Resources

拼砌四邊形
GeoGebra笔记功能体验课件
異分母分數減法
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）

Discover Resources

new book
黃金三角形
翹翹板
二次函数动点问题25
圓外切四邊形

Discover Topics

Natural Numbers
Quadrilaterals
Histogram
Correlation
Congruence

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