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 125912| 6
 | 四阶、五阶魔方的世界排名 | 
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| -,'''╭⌒╮⌒╮.',''',,',.'',,','',.,,' .╱◥██◣''o┈ 魔方吧 ┄o.'',,',. ︱田︱田田︱ '',,',.o┈ 欢迎您光临 ┄o ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬ | |
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| -,'''╭⌒╮⌒╮.',''',,',.'',,','',.,,' .╱◥██◣''o┈ 魔方吧 ┄o.'',,',. ︱田︱田田︱ '',,',.o┈ 欢迎您光临 ┄o ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬ | ||
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| limit of x-> infinity of (x-1)/x | ||
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