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外心

Author:吳淑惠

Topic:Constructions

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兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
找出對稱軸
算柱 (兩位數)
Nested spiral octagon

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正n邊形的組合
工作紙題1
與三半圓相切之圓填色
定義篇
等距共軛點(isotomic conjugate point)

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Special Points
Scatter Plot
Quadratic Equations
Histogram
Triangles

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