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¼ö½ÄÀ¸·Î Ç®¾îºÃ½À´Ï´Ù.

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óÀ½ ¾Æºü¿¡°Ô ºô¸° µ· = A

óÀ½ ¾ö¸¶¿¡°Ô ºô¸° µ· = B

 

¾Æºü¿¡°Ô ºô¸° µ· = a

¾ö¸¶¿¡°Ô ºô¸° µ· = b

 

³»°¡ °¡Áø µ· = x

³» ¹î ¼ÓÀ¸·Î µé¾î°£ µ· = y

 

[¾ÆºüÇÑÅ× 500¿ø ¾ö¸¶ÇÑÅ× 500¿ø ºô·È´Âµ¥]

-> a = A = 500, b = B = 500, x = 1000

 

[970¿ø Â¥¸® °úÀÚ¸¦ »ç¸Ô¾ú¾î

] -> y = 970

 

[±×·³ 30¿ø ³²ÀݾÆ]

-> x = 30

 

[±×·¡¼­ ¾Æºü 10¿ø ÁÖ°í ¾ö¸¶ 10¿ø ÁÖ°í ³»°¡ 10¿ø °¡Á³¾î]

-> a = 500 - 10, b = 500 - 10, x = 1000 - 970 - 2*10 = 10

 

[±×·³ ¾ö¸¶, ¾ÆºüÇÑÅ× 490¿ø¾¿ ºô¸°°ÅÀݾÆ]

-> a = 490, b = 490, a+b = 980

 

[³»°¡ °¡Áø 10¿øÀ» ´õÇß¾î. ±×·³ 990¿øÀÌÀݾÆ]

-> a+b+x = 990

 

[³ª¸ÓÁö 10¿ø ¾îµð°¬Áö?]

-> óÀ½ ºô¸° µ·¿¡¼­ À§ Ç׸ñÀÇ Â÷À̰¡ 10

(A+B) - (a+b+x) = 10 A+B = a+b+x+10 = 1000 <- À̰ÍÀ» ÀÌÇØÇϸé ÀÌ ¹®Á¦°¡ Ç®¸².

 

°³ÀÎÀûÀÎ °á·Ð) ±¹¾î ´õÇϱ⠼öÇÐÀº ¹«¼­¿î »ç±â°¡ µÉ ¼ö ÀÖ´Ù.