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1980全国文7
Author:
常振虎
GeoGebra
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画直线等分三角形的面积
異分母分數減法
第八周作业
判斷球體
三位數除以一位數（二）
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sum of interior angle
廣義角
gjh-g03-00 和的平方公式的副本
貝氏定理－醫療判定(使用混淆矩陣)
迭代多边形;平移;向量
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Logic
General Quadrilateral
Hyperbola
Cuboid
Inequalities