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一元二次方程式-應用問題(兩圓相切-3)
Author:
均一
GeoGebra
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sanjiaohanshu
兩位數除以一位數（一）
小数 的副本
【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
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正十二面體
What's wrong
三視圖
max_error
两次折叠
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Intersection
Probability
Hyperbola
Hypothesis Testing
Sine