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Roger Test Draw
Author:
rogerp
Test draw of 2nd degree polynomial
GeoGebra
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兩組對邊相等和有直角的四邊形
錐體建築師
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
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複雜的解法
直角
牛頓定理一
∆ABD 面積 = ?
圓外角測試
Discover Topics
Geometric Distribution
Angles
Arithmetic Mean
Root
Similar Triangles