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最小周長
Author:
張庭瑞
GeoGebra
New Resources
圓的切線方程
探究三角形的全等條件
兩位數除以一位數（一）
漂亮的摇摆曲线
平行線的斜率
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中考压轴题大放送之十三
尤拉線80528林家生螢橋國中
不規則圖形的周界(凹)
折扣 例3的副本
圆锥曲线的统一画法.许兴华数学
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Algebra
Sequences and Series
Real Numbers
Addition
Set Theory