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錯角練習
Author:
maths324324
GeoGebra
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兩位數加法
找出對稱軸
第八周作业
兩位數除以一位數（一）
異分母分數減法
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圓內正方形夾小圓
拋物線教學_2016
三角形的面積
運用量度器比較角的大小
金惠吉：三维李萨如
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Linear Equations
Distributions
Variance
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