ÁöÇý Ű¿ì´Â ¿µ¾î(Á¦ 36 ȸ) : ´Ù¼¸ ¼ýÀÚ ¹øÈ£?(3)
2026-04-16 ¿ÀÈÄ 11:19:33 | Á¶È¸ : 224
ÁöÇý Ű¿ì´Â ¿µ¾î(Á¦ 36 ȸ) : ´Ù¼¸ ¼ýÀÚ ¹øÈ£?(3)
english that cultivates wisdom !
[¹®] :
there is a five-digit number, no zeroes,
´Ù¼¸ ¼ýÀÚ·Î µÈ ÇϳªÀÇ ¹øÈ£°¡ Àִµ¥, ¿µÀº ¾È µÇ°í,
in which the second digit is three times the first,
µÑ° ¼ýÀڴ ù°ÀÇ ¼¼(3) ¹èÀ̰í,
the third is one more than the second,
¼Â° ¼ýÀÚ´Â µÑ°º¸´Ù Çϳª(1)°¡ ´õ ¸¹°í,
the fourth is four times the first,
³Ý° ¼ýÀڴ ù°ÀÇ ³×(4) ¹èÀ̸ç,
and the last is one-half more than the second.
±×¸®°í ³¡ ¼ýÀÚ´Â µÑ°¿¡ Àý¹ÝÀÌ(1/2) ´õ ¸¹´Ù.
what is the five-digit number?
¹«¾ùÀÌ ±× ´Ù¼¸ ¼ýÀÚ ¹øÈ£Àϱî?
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<¿À´ÃÀÇ ¸í¾ð>
every cloud has a silver lining.
/ ¸ðµç ±¸¸§Àº ÀººûÀ¸·Î ºû³ª´Â ÂÊÀÌ ÀÖ´Ù.
--> ÇÏ´ÃÀÌ ¹«³ÊÁ®µµ ¼Ú¾Æ³¯ ±¸¸ÛÀÌ ÀÖ´Ù.
= Á×À» ¼ö°¡ ´ÚÄ¡¸é »ì ¼ö°¡ »ý±ä´Ù.
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[Á¤´ä ¹× ÇØ¼³]
Á¤´ä : 2 6 7 8 9
ÇØ¼³ :
´Ù¼¸ ¼ýÀÚ¸¦ Â÷·Ê´ë·Î a,b,c,d,e·Î ÇÏ¿© ÁÖ¾îÁø Á¶°Ç´ë·Î Çϸé
1) a=1/3b, b=3a, c=b+1, d=4a, e=b+1/2b
2) ¸¸ÀÏ b=3 À̸é, a=1, d=4, e=3+1/2x3 --> e°¡ Á¤¼ö°¡ ¾Æ´Ï´Ù.
3) ¸¸ÀÏ b=4 À̸é a °¡ Á¤¼ö°¡ ¾È µÈ´Ù.
4) ¸¸ÀÏ b=6À̸é, a=2, c=7, d=8, e=9 °¡ µÈ´Ù.
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