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Author:
chisunch1
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
四邊形的特性
兩位數除以一位數（二）
球體建築師
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proof24 羅文頡
蝴蝶線ggb
證明三角形內角和180度
封閉區域填色
橢圓軌跡01
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Straight Lines
Pie Chart or Circle Chart
Prism
Real Numbers
Conic Sections