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「背ã€ã¨ã„ã†å—ã®ç”»æ•°ã‚’ç‰æ¯”数列ã§è¡¨ã›ã¨ã„ã†å•é¡Œã‚’解ã夢ã¨ã€ã©ã†ã‚„ã£ã¦ã‚‚4階ã«è¡Œã‘ãªã„アパートã®å¤¢ã‚’ã¿ãŸ [æºå¸¯]
10:58 AM May 5th, 2008
from
movatwitter
ffi
Fujii Ryoichi
