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三角形ㄛ
Author:
jolin219984
內心、重心、外心、垂心
GeoGebra
嗯
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找出對稱軸
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
異分母分數減法
第八周作业
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三视图
test
Quiz on Solving Right Triangles (Finding Side Lengths) 解直角三角形：測驗1（求邊長）
圓所形成的三角形
七彩勾股树
Discover Topics
Rectangle
Pyramid
Statistical Characteristics
Angles
Exponent