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例題1【凹口性分析】
Author:
余佑駿
GeoGebra
New Resources
第八周作业
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
三位數除以一位數（二）
畫出對稱圖形
Discover Resources
waaachen
波的干涉 Wave Interference
優良作品4(薇如)
周界-平移法(練習一)
平行線的截線性質
Discover Topics
Logic
Natural Numbers
Calculus
Quadrilaterals
Quadratic Equations