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    MoSKa
2009-12-30 16:55:58
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   ¼öÇÐ ÀßÇϽô ºÐµé Á» ¾Ë·ÁÁÖ¼¼¿ä ¤Ð¤Ð
      



°íµùµéÀÇ ½É½ÉÇÑ Å¸ÀÓÀÎ °Ü¿ï¹æÇÐ 1ÁÖÀÏ ÁßÀε¥¿ä ¤»¤»

¸Êµµ¸®ÀÇ ¸Ê ±¸°æÇÏ´Ù°¡

¹«½¼ ¼öÇÐ ¹®Á¦[¹æÇм÷Á¦..-_-]¸¦ Ç®¶ó ±×·¡¼­ ÀÚ½ÅÀÖ°Ô Çª´Âµ¥..

¸î ¹®Á¦ ÁøÂ¥ ¹ÌÄ¡µµ·Ï ¸ð¸£°Ù´Âµ¥ ½Ã°£Àº ¸¹Àºµ¥ ÇÒ °Å ¾ø¾î¼­ °í¹ÎÀÎ ºÐ µéÁ¡ Ç®¾îÁÖ¼¼¿ä..



1. ¹æÁ¤½Ä [x]+ax = ·çÆ®(x-[x])+bÀÇ ÇØ°¡ ¹«¼öÈ÷ ¸¹À» ¶§, ´ÙÀ½ <º¸±â> Áß Ç×»ó ¿ÇÀº °ÍÀº?
                              <º¸±â>
   ¤¡. Á¡ (a,b)°¡ ³ªÅ¸³»´Â ¿µ¿ªÀÇ ±æÀÌ´Â 2ÀÌ´Ù.
   ¤¤. ¹æÁ¤½Ä [x]+ax = -·çÆ®(x-[x]) ÀÇ ÇØ´Â ¹«¼öÈ÷ ¸¹´Ù.
   ¤§. µÎ ÁýÇÕ X={(x,y)¤Óy=ax=b}, Y={(x,y)¤Óy=bx+a} ¿¡ ´ëÇÏ¿© ÁýÇÕ X¡ûY°¡
        ³ªÅ¸³»´Â ¿µ¿ªÀÇ ³ÐÀÌ´Â 0.6666666...ÀÌ´Ù.



2. ÇÔ¼ö y=f(x)°¡ ´ÙÀ½ ³× Á¶°ÇÀ» ¸¸Á·ÇÑ´Ù.
   (°¡) ÀÚ¿¬¼ö m,n¿¡ ´ëÇÏ¿© f(m)f(n) = f(m+n-2)
   (³ª) ÀÚ¿¬¼ö°¡ ¾Æ´Ñ Á¤¼ö m,n¿¡ ´ëÇÏ¿© f(m)f(n) = f(m+n+2)
   (´Ù) Á¤¼ö°¡ ¾Æ´Ñ ½Ç¼ö m,n¿¡ ´ë ÇÏ¿© f(m) = f(n) = 0
   (¶ó) f(2) = 3
   ÀÌ ¶§, ¹æÁ¤½Ä k-f(x) = 0ÀÇ ÇØ°¡ µÎ°³°¡ µÇ°ÔÇÏ´Â ¸ðµç »ó¼ö kÀÇ ÇÕÀº?




                          [ÀÌ°É ÀÏÀÏÀÌ ¾²°í ÀÖ´Â Àúµµ ´ë´ÜÇÏ³×¿ä ¤Ñ.¤Ñ]




3. ¼¼ ÀÚ¸®ÀÇ ÀÓÀÇÀÇ ÀÚ¿¬¼ö M,N¿¡ ´ëÇÏ¿© ´ÙÀ½ ¼¼ Á¶°ÇÀÌ ¼º¸³ÇÑ´Ù.
   (°¡) ÀÓÀÇÀÇ ÀÚ¿¬¼ö a,b,c,d¿¡ ´ëÇÏ¿©
         M = (2ÀÇ aÁ¦°ö)¡¿(3ÀÇ bÁ¦°ö)
         N = (2ÀÇ cÁ¦°ö)¡¿(3ÀÇ dÁ¦°ö)
   (³ª) ÀÚ¿¬¼ö MÀº 4ÀÇ ¹è¼öÀÌÁö¸¸ 16ÀÇ ¹è¼ö´Â ¾Æ´Ï´Ù.
   (´Ù) ÀÚ¿¬¼ö NÀº 6ÀÇ ¹è¼öÀÌÁö¸¸ 27ÀÇ ¹è¼ö´Â ¾Æ´Ï´Ù.
   ÀÚ¿¬¼ö MÀÇ °¢ ÀÚ¸®¼öÀÇ ÇÕÀ» f(M), ÀÚ¿¬¼ö NÀÇ °¢ ÀÚ¸®¼öÀÇ ÇÕÀ» f(N)À̶ó ÇÒ ¶§,
   f(M)+f(N)ÀÇ ÃÖ¼Ú°ªÀº??



¾Æ.... ¹®Á¦¸¦ Á¦°¡ ¿Å°Ü¾²¸é¼­µµ ¹«½¼ ¼Ò¸°Áö ¸ð¸£°Ù³×¿©..... ¤Ð^¤Ð

¼öÇÐ ÀßÇϽô ºÐµé, ½Ã°£ ³²À¸½Ã´Â ºÐµé Á»!Á»!Á»!Á»! ¾Ë·ÁÁÖ¼¼¿ä ¤Ì

            (¿©±â¿¡ ÀÌ·± ±Û ½áµµ ±¦ÂúÀº °Å ¸ÂÁÒ?? ^^;;)
   ZeNiMapia
2¹øÀÇ (°¡)´Â ¸Â´Â Á¶°ÇÀÌ ¸Â±ä Çϳª¿ä? f(2)f(2)=f(4-2)¶ó´Â ¼Ò¸®Àε¥, f(2)=3À̴ϱî Á¶°ÇÀÌ ¾È¸Â´Â°Å°°Àºµ¥¿ä.
Àú Á¶°Ç °í´ë·Î ÀûÀ¸¸é 3x3 = 3À̶ó´Â°Ô ¸»ÀÌ ¾ÈµÇ´Âµí
       2009-12-30
   Archangel
1//ÀÚ¿¬¼ö m,n ´Ù¸¥°ÉÀǹÌÇϴ°žƴѰ¡¿ä? °°Àº°Ô¾Æ´Ï¶ó;
       2009-12-30
   Sherlock Holmes
3¹ø
M=108, 216, 324, 648, 972 µîÀÌ °¡´ÉÇϰí
N=144, 192, 288, 384, 576, 768 µîÀÌ °¡´ÉÇÕ´Ï´Ù.
µû¶ó¼­ °¢ ÀÚ¸®¼öÀÇ ÇÕÀÇ ÃÖ¼Ò´Â 18
       2009-12-30
   Sherlock Holmes
2¹øÀº 3¹Û¿¡ µÇÁö ¾Ê¾Æ º¸À̳׿ä
       2009-12-30
   dragonfly
1¹øÀº Ç®¼ö¾ß ÀÖÁö¸¸ ±×¸²À¸·Î ÇØ¾ßÇÏ´Â °Å¶ó¼­..´ä¸¸ ÇÏÀÚ¸é a=-1, -2<b<=0ÀÌ µÇ¾î¾ß ÇÕ´Ï´Ù.
¤¡. abÀÇ °ü°è¿¡¼­ ±×·¡ÇÁ¸¦ ±×¸®¸é ±æÀ̰¡ 2ÀÎ ¼±ºÐÀÌ ³ª¿É´Ï´Ù.
¤¤.ÇØ´Â Á¤¼ö. ¹«¼öÈ÷ ¸¹½À´Ï´Ù.
¤§. ³ÐÀÌ´Â ¹«ÇÑÇÕ´Ï´Ù.
       2009-12-31
   dragonfly
Á»´õ ½±°Ô ¼³¸íÇÏÀÚ¸é. ax -b =sqrt(x-[x]) -[x] ·Î º¯ÇüÇØ¼­ ¿ìº¯Ç×ÀÇ °³Çüµµ¿Í Áº¯Ç×ÀÇ °³Çüµµ¸¦ ºñ±³ÇÏ¸é °£´ÜÇÏ°Ô Ç®¼ö ÀÖ½À´Ï´Ù. ¿ì¼± ¿ìº¯Ç×ÀÇ ±×·¡ÇÁÀÇ °³ÇüÀº ¸»·ÎÇÏÀÚ¸é ´ÙÀ½°ú °°Àºµ¥ x¹üÀ§ 0<=x<1¿¡¼­ sqrt(x)ÀÇ ±×·¡ÇÁÀÇ °³ÇüÀÌ µË´Ï´Ù. À̰ÍÀÌ Á¡Â÷ ¿ì·Î ¾Æ·¡·Î 1¸¸Å­¾¿ °è¼Ó À̵¿Çϸ鼭 ¶È°°Àº ÇüŰ¡ °è¼Ó ¹Ýº¹µË´Ï´Ù... Áï ºÒ¿¬¼ÓÁ¡³¢¸® °è¼Ó À̾´Ù º¸¸é °á±¹ ±â¿ï±â°¡ -1ÀÎ Á÷¼±ÀÌ ³ª¿À°í °á±¹ a=-1ÀÌ µË´Ï´Ù. b´Â yÀýÆíÀ̹ǷΠ-2Ãʰú 0ÀÌÇϰ¡µË´Ï´Ù.
       2009-12-31
   MoSKa
Sherlock Holmes´Ô ¸ÂÈ÷¼Ì³×¿ä ¤¾¤§¤§..
dragonfly´Ôµµ °ÅÀÇ ¸ÂÀº µíÇѵ¥ ´äÀº ¤¡,¤¤,¤§À̶ó°ú ½áÀֳ׿©....? ¤»
2¹øÀº ¹®Á¦°¡ ÀÌ»óÇѰ¡¿ä?? ¼±»ý´ÔÇÑÅ× µûÁ®¾ß °Ù²Û¿ä ¤¾
       2009-12-31
   Polaris
[ ] <-ÀÌ°Ô ¹«½¼±âÈ£? Àý´ë°ª ±âÈ£Àΰ¡¿ä? °¡¿ì½º ±âÈ£Àΰ¡?
       2009-12-31
   Polaris
Áß3->°í1ÀÎ Àü 3¹ø»©°ï ¹ºÁö ¸ð¸£°Ù³×¿ä
       2009-12-31
   ZeNiMapia
2¹ø ¹®Á¦´Â y=f(x)¿Í y=kÀÇ ±³Á¡À» ±¸ÇÏ´Â ¹®Á¦¶ó°í »ý°¢Àº Çߴµ¥,
Àú±â¿¡¼­ ¸¸¾à¿¡ m,nÀÌ ´Ù¸£´Ù´Â Á¶°ÇÀÌ ¾øÁö¸¸ ´Ù¸£´Ù´Â Á¶°ÇÀ» »ý°¢ÇÏÀÚ¸é[¿ø·¡ ´Ù¸£´Ù´Â Á¶°ÇÀÌ ¾øÀ¸¸é °°Àº ¼ýÀÚ¸¦ ³Ö¾îµµ ÀüÇô ¹«°üÇϱ⶧¹®¿¡]
f(1)f(2)=f(1)ÀÌ ³ª¿À¸é, f(2)=3Àε¥ f(1)=0À̶ó´Â ¼Ò¸®°¡ µË´Ï´Ù.
±×¸®°í Á¤¼ö°¡ ¾Æ´Ñ Á¶°Ç¿¡¼­´Â ¹«Á¶°Ç 0ÀÌ µÈ´Ù´Â°Ç ´Ù¸¥ ¸»·Î ÇÏÀÚ¸é f(x)=0ÀÌ µÇ¹ö¸®´Â ÇØ´Â ¹«¼öÈ÷ ¸¹´Ù´Â ¼Ò¸®°¡ µË´Ï´Ù.
±×¸®°í ÀÚ¿¬¼ö°¡ ¾Æ´Ñ Á¤¼ö, Áï À½¼ö¿Í 0À» ÀǹÌÇÏ´Â °ÍÀÏÅÙµ¥, m,nÀÌ ´Ù¸¥ ¼ýÀÚ¶ó´Â ÀüÁ¦¿¡¼­ °è¼Ó À̾߱⸦ ÁøÇàÇϸé,
f(-2)f(-1)=f(-1)À̹ǷΠf(-2)=0 ¶Ç´Â 1ÀÌ µË´Ï´Ù. f(0)f(-2)=f(0)ÀÌ µÇ°í, f(0) = -1,0,1À̶ó´Â À̾߱Ⱑ µË´Ï´Ù.
ÀÚ¿¬¼ö t¿¡ ´ëÇØ¼­ f(2)f(t)=f(2+t-2)ÀÌ µÇ¹Ç·Î f(t)Àº 0ÀÌ µÇ¹ö¸®ÁÒ. Áï, y=f(x)¶ó´Â ¼ö½Ä¿¡¼­ x>2ÀÌ»óÀÌ¸é ¶ÇÇÑ x´Â 0ÀÌ µÇ¹ö¸³´Ï´Ù.
¶Ç ´Ù¸¥ ¼ö½ÄÀ» ¸¸µéÀÚ¸é f(3)f(1)=0 ÀÌ µÇ¾î¾ß ¸Â´Â ¼Ò¸®Áö¸¸ f(3)f(1)=f(2)=3ÀÌ µÇÁö ¾ÊÀ¸¹Ç·Î 2¹ø ¹®Á¦´Â ºÐ¸í ¹®Á¦°¡ Àֳ׿ä. m,nÀÌ ´Ù¸¥ ¼ýÀÚ¶ó ÇØµµ ¹®Á¦°¡ »ó´çÈ÷ ¸¹³×¿ä.
       2009-12-31
no
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Á¦¸ñ
ÀÛ¼ºÀÏ
Á¶È¸
768
 Archangel
2010/01/27
1207
767
 ±ÍÂ÷´ÏÁò
2010/01/26
1099
766
 °­Å°ø:D
2010/01/26
1206
765
 ¶óŰ¾Æ
2010/01/24
1690
764
 ÀÌÀå¿í
2010/01/24
1027
763
 ÀÌÀå¿í
2010/01/24
924
762
 ±è¿µµµ
2010/01/24
846
761
 Raccoon
2010/01/23
987
760
 Raccoon
2010/01/21
1057
759
 Crash..
2010/01/20
993
758
 Est.rike
2010/01/20
1108
757
 Å©¸®½ºÆ®
2010/01/16
1502
756
 ·çŰ۵å
2010/01/16
1316
755
 M-
2010/01/12
1461
754
 ¹Ú¼Ò¿¬
2010/01/10
1039
753
 Violent
2010/01/07
1151
752
 CYK
2010/01/06
1213
751
 ¹ÙƼī´Ï
2010/01/05
1118
750
 È²¼ºÁø
2010/01/03
875
749
 ´À³¦ÀÖ´ÂÀ¯¸®
2010/01/02
1015
    
     
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