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平行四邊形有甚麼特性?
Author:
Anthony OR 柯志明
Topic:
Parallelogram
English version:
http://ggbtu.be/m79826
GeoGebra
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GeoGebra数学资源(4-8年级)
平行線的判定
第八周作业
双心四边形
第八周作业1
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千變萬化的顏色
Linear Programming
包絡線
螢橋國中 鄭毅華
Copy of 重複組合求正整數解
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Logarithm
Histogram
Complex Numbers
Indefinite Integral
Natural Numbers