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½ÉÇؾî Ä«µå Á¶°ÇÀÌ 1. 'x+y°¡ ÃÖ´ë'ÀÏ °æ¿ì 2. 'x+y=10'ÀÏ °æ¿ì
1. A´Â (5,4)=9¸¦ ¼±ÅÃ, B´Â (3,6)=9¸¦ ¼±ÅÃÇß´Ù¸é A°¡ À̱â°Ô µÇ´Â°Ç°¡¿ä?
2. A´Â (2,8)=10À» ¼±ÅÃ, B´Â (5,5)=¸¦ ¼±ÅÃÇß´Ù¸é B°¡ À̱â°Ô µÇ´Â°Ç°¡¿ä?
