123128| 6
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几何题9 |
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我从来都没卖过贴纸或者魔表
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contact me by email: chutianxiang at gmail.com
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19events = 644days
PB (2 3 4 5)B = 1200seconds 北大魔方爱好者QQ群74893945 mf8最少步讨论群:RP与公式的绝佳配合QQ群5652935 |
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静坐常思己过,闲谈莫论人非
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