M1Ep18 全局極大或極小
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23:07
M1微積分Ep19 變率(上)
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19:05
US Vice President Vance criticizes Europe for migration and democracy deficits | BR24
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17:39
¿Qué es una ecuación diferencial parcial? | ED 2
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26:23
M1微積分Ep22 代換積分法
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17:47
M1微積分Ep23 不定積分應用(上)
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15:50
李斯特-匈牙利狂想曲為啥這麼常出現在卡通裡?
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9:44
¿Cómo es realmente el pensamiento matemático?
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14:09