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Teacher: What is 2k + k?Student: 3000!
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最近上課在教"丟10000次硬幣~有大約5000次是正面~約5000次是反面"那麼請問...正面剛好出現5000次的機率是多少呢??
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94im.com/thread-26609-1-1.html 學生 高斯 Carl Friedrich Gau math A.S.
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Updated on Jun 14, 12 Created on May 21, 12
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