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三角形全等的直观图(可重合).许兴华数学
Author:
许兴华数学
Topic:
Triangles
GeoGebra
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兩組對邊相等和有直角的四邊形
異分母分數減法
【案例】2013年安徽高考15题
拼砌四邊形
畫出對稱圖形
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Boxes
HKCEE-AM 2006 Q17
正立方體
龜甲
探究平行四邊形面積
Discover Topics
Trapezoid
Rhombus
Sequences and Series
Rational Numbers
Power Functions