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平行線的性質
Author:
李春培
平行線的性質
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
第八周作业
異分母分數減法
三位數除以一位數（二）
畫出對稱圖形
Discover Resources
龍騰4_1-1課例4
y=a(x-h)²+k
畢氏定理證明(光華國中103資)
坐標網格的複數映射（次方）
畢氏定理
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Similar Triangles
Curve Sketching
Natural Numbers
Differential Equation
Integers