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testdcfdfsdfsd
Author:
tan90t
test
GeoGebra
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三位數除以一位數（二）
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
找出對稱軸
兩組對邊相等和有直角的四邊形
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內切圓滾動有圖更新
三角函數圖形
square and circle
題一
比例中的定值問題(一)
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Limits
Hypothesis Testing
LCM and GCD
Rectangle
Secant Line or Secant