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Author:
michelle82100
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
三位數除以一位數（一）
兩位數除以一位數（一）
畫出對稱圖形
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優良作品5(薇如)
Activity 1
GGB1
銳角三角：sin, cos
Hamid Naderi Yeganeh Ellipse1
Discover Topics
Isosceles Triangles
Secant Line or Secant
Rational Numbers
Rhombus
Probability