[°øÁö] |
[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
ȫâÀÇ |
2021-05-20 |
±ÛÁ¦¸ñ |
[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
ÀÛ¼ºÀÚ |
ȫâÀÇ |
µî·ÏÀÏ |
2021-05-20 |
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¾È³çÇϼ¼¿ä, ȫâÀÇ ¼±»ý´ÔÀÔ´Ï´Ù.
Àΰ ¼ö°»ý ¿©·¯ºÐµé
Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ýÀÔ´Ï´Ù.
* Áú¹® ¹æ¹ý
1. Ä«Ä«¿ÀÅå¿¡ ¼±»ý´Ô ¾ÆÀ̵ð Ãß°¡
ȫâÀÇ ¼±»ý´Ô Ä«Ä«¿ÀÅå ¾ÆÀ̵ð : hongdly
2. Áú¹®ÇÒ ¶§, º»ÀÎÀÌ ¼ö°ÇÏ°í ÀÖ´Â °ÀÇ¸í ±âÀç / ¸î °ÀÎÁö ±âÀçÇØÁֽñ⠹ٶø´Ï´Ù.
°¨»çÇÕ´Ï´Ù. |
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2820 |
24° 56ºÐ´ë |
vtor** |
2019-12-05 |
±ÛÁ¦¸ñ |
24° 56ºÐ´ë |
ÀÛ¼ºÀÚ |
vtor** |
µî·ÏÀÏ |
2019-12-05 |
|
¿©±â¼ Ÿ¿ø xÃà ÁÂÇ¥°¡ 9,-9À롂 ¾Ë°Ú´Âµ¥ ±×·³ yÃàÁÂÇ¥µµ 4,-4¾Æ´Ñ°¡¿ä? ¿Ö 2,-2Àΰ¡¿ä? |
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2019-12-07 |
±ÛÁ¦¸ñ |
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haeun8** |
µî·ÏÀÏ |
2019-12-07 |
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Á˼ÛÇÕ´Ï´Ù. x Ãà ÁÂÇ¥´Â -9, 9 ÀÌ°í ¸¶Âù°¡Áö·Î yÃà ÁÂÇ¥´Â -4, 4 ÀÔ´Ï´Ù. |
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2819 |
439ÆäÀÌÁö 13¹ø |
leegm07** |
2019-12-05 |
±ÛÁ¦¸ñ |
439ÆäÀÌÁö 13¹ø |
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leegm07** |
µî·ÏÀÏ |
2019-12-05 |
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´ä¾ÈÁö°¡ Ʋ¸°°Å°°±äÇѵ¥ °î·üÁ᫐ Y±¸ÇÒ¶§ ¿Öy°ªÀÌ 1À̶óÇÏ°í °è»êÇÏÁÒ 2Àε¥ À߸ø³ª¿Â°Å¸ÂÁÒ?? |
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2019-12-07 |
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haeun8** |
µî·ÏÀÏ |
2019-12-07 |
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2818 |
6° |
tjrtjr** |
2019-12-04 |
±ÛÁ¦¸ñ |
6° |
ÀÛ¼ºÀÚ |
tjrtjr** |
µî·ÏÀÏ |
2019-12-04 |
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6° 34ºÐ ±¤¿î´ë º°µµ¹®Á¦¿¡¼ b¹ø c¹ø ¼³¸íÇϽǶ§ ¿Ö ºÐ¸ð¿¡ ÀÖ´Â y´Â y^2°¡ µÇ´Â°Ç°¡¿ä? Ȥ½Ã ġȯÇѰŶó¸é ºÐÀÚµµ ·çÆ®y^2°¡ µÇ¾î¾ßÇÏ´Â°Ô ¾Æ´Ñ°¡¿ä?
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2019-12-07 |
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haeun8** |
µî·ÏÀÏ |
2019-12-07 |
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¸Â½À´Ï´Ù. Á¦°öÀ» »©¸Ô¾ú³×¿ä. ºÐÀÚµµ ġȯµÇ¾î ·çÆ®y^2 ÀÌ µÇ¾î¾ß ÇÕ´Ï´Ù.
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2817 |
2° 19ºÐ 23ÃÊ |
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2019-12-04 |
±ÛÁ¦¸ñ |
2° 19ºÐ 23ÃÊ |
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ausi** |
µî·ÏÀÏ |
2019-12-04 |
|
lim n lnn-n+1+a/n lnn À̺κп¡¼ -n+1+a´Â ¹«½ÃÇصµ µÈ´Ù°í Çϼ̴µ¥ »ó¼öºÎºÐÀº ÀÌÇØ°¡ °¡´Âµ¥ -nÀº n lnn¿¡ ºñÇØ ¹«½ÃµÉ¸¸Å ÀÛÀºÁö ¸ð¸£°Ú½À´Ï´Ù.. ¼ö¿ÀÇ Å©±â ÆÇÁ¤À» º¸¸é nÁ¦°ö>lnn>»ó¼ö ÀÌ·¸°Ô µÇ´Â°É·Î ¾Ë°í Àִµ¥ Àú°Ç -nÀº Áö¼ö°¡ 1ÀΰŠ¾Æ´Ñ°¡¿ä? ±×·¸´Ù¸é lim enÁ¦°ölnn-enÁ¦°ö+1+a/n lnn¶ó´Â ½ÄÀÌ ÀÖ¾ú´Ù¸é À̶§µµ -enÁ¦°ö+1+aÀ» ¹«»ç ÇÒ¼ö Àִٴ°ǰ¡¿ä?? |
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2019-12-07 |
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haeun8** |
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2019-12-07 |
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n^2 > n > lnn À̸ç nlnn > n > lnn ÀÔ´Ï´Ù.
³×, ¾Æ·¡ ÇüÅÂÀÇ ½Äµµ ¹«½ÃÇÒ ¼ö ÀÖ½À´Ï´Ù. |
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2816 |
26° 37ºÐ00ÃÊ ´ë¿¡ »óÀ§20ÆÛ ¹®Á¦ |
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2019-12-04 |
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chpark** |
µî·ÏÀÏ |
2019-12-04 |
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Ÿ¿ø¿¡¼ s2¸¦ s1°ú sÀÇ ÇÕÀ¸·Î Ç¥ÇöÇÑ °úÁ¤¿¡¼ s2°¡ ¹«¾ó ÀǹÌÇÏ´ÂÁöÀÌÇظ¦ ¸øÇÏ°Ú½À´Ï´Ù. ¶ÇÇÑ Fº¤ÅÍ°¡ ¿Ö rº¤ÅÍ·Î µÇ´ÂÁö nº¤ÅÍÀÇ °ªÀº ¿Ö rº¤ÅͷΠǥÇöµÇ°í Fº¤ÅÍ¿Í nº¤ÅÍ°¡ ¿Ö °°Àº rº¤ÅͷΠǥÇöµÇ´ÂÁöµµ Àß ¸ð¸£°Ú½À´Ï´Ù. ¸¶Áö¸·À¸·Î ¿¬¼ÓÀÌ ¾Æ´Ï±â ¶§¹®¿¡ °¡¿ì½º¹ß»êÁ¤¸®°¡ Àû¿ë¾ÈµÇ¾î ¹ÝÁö¸§ÀÌ 1ÀÎ ±¸¸¦ »ç¿ëÇÏ¿´´Âµ¥, ¸¸¾à ÀÌ ¹ÝÁö¸§1ÀÎ ±¸°¡ ÁÖ¾îÁø üÀû¾È¿¡ Æ÷ÇÔµÇÁö¾ÊÀ¸¸é »ç¿ëµÉ¼ö¾ø´Â°ÇÁö ¸¸¾à¿¡ »ç¿ëµÉ¼ö¾ø´Ù¸é ¹ÝÁö¸§ÀÌ aÀÎ ±¸¸¦ ÀÌ¿ëÇϴ°ÇÁö ±Ã±ÝÇÕ´Ï´Ù.
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2019-12-07 |
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haeun8** |
µî·ÏÀÏ |
2019-12-07 |
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S_2 ´Â S_1°ú S·Î µÑ·¯½ÎÀÎ Æó°î¸éÀÔ´Ï´Ù.
±¸¸é S_2 ÀÇ º¤ÅÍ Ç¥ÇöÀ» r=<x, y, z> ¶ó ÇÏ°í |r|=·çÆ®{x^2 +y^2 +z^2}=1 ÀÔ´Ï´Ù.
±¸ÀÇ ¼ºÁú¿¡ µû¶ó ¹ý¼±º¤ÅÍ´Â ¿øÁ¡¿¡¼ ±¸¸éÀÇ Á¢Á¡±îÁöÀÇ º¤ÅÍ¿Í µ¿ÀÏÇϹǷΠn//r ÀÌ µÇ°í
¸éÀûºÐ °è»ê½Ã °î¸é½ÄÀ» ÇÔ¼ö F¿¡ ´ëÀÔÇÏ¿© °è»êÇϹǷΠn°ú F ´Â r ·Î Ç¥ÇöµË´Ï´Ù.
¹ÝÁö¸§À» ²À 1·Î ÀâÀ» ÇÊ¿ä°¡ ¾ø½À´Ï´Ù. ´Ù¸¥ ¹ÝÁö¸§À» ã¾Æ °è»êÇÏ¿©µµ ÁÁ½À´Ï´Ù. |
|
2815 |
P193 34¹ø |
bsh09** |
2019-12-03 |
±ÛÁ¦¸ñ |
P193 34¹ø |
ÀÛ¼ºÀÚ |
bsh09** |
µî·ÏÀÏ |
2019-12-03 |
|
°ø ¸ð¾çÀÇ °í¹«¿ë±âÀÇ ¹ÝÁö¸§ÀÌ 10mm°¡ µÉ ¶§¶ó°í ³ª¿ÍÀִµ¥ °ýÈ£¾È¿¡ ¿ë±âÀÇ ¹ÝÁö¸§Àº 5mmÀ̶ó°í µÇ¾îÀÖ½À´Ï´Ù. ¿ø·¡ ¿ë±âÀÇ ¹ÝÁö¸§Àº 5mmÀε¥ ÀÌ ¿ë±âÀÇ ¹ÝÁö¸§ÀÌ ¾î¶»°Ô Çؼ 10mmÀÌ µÇ³ª¿ä? ±×³É °¡Á¤ÀÎ °Ç°¡¿ä?? |
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2019-12-07 |
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haeun8** |
µî·ÏÀÏ |
2019-12-07 |
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dz¼±°ú ºñ½ÁÇÏ°Ô »ý°¢Çϸé ÁÁÀ» µí ÇÕ´Ï´Ù.
óÀ½ °í¹«¿ë±âÀÇ ¹ÝÁö¸§Àº 5ÀÌ°í ¾×ü°¡ ÁÖÀÔÇÏ¸é¼ ¿ë±â°¡ ´Ã¾î³ª ¹ÝÁö¸§ÀÌ 10ÀÌ µÇ´Â °ÍÀÔ´Ï´Ù. |
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2814 |
ÇÚµå¾Æ¿ôÀÚ·á |
bsh09** |
2019-12-03 |
±ÛÁ¦¸ñ |
ÇÚµå¾Æ¿ôÀÚ·á |
ÀÛ¼ºÀÚ |
bsh09** |
µî·ÏÀÏ |
2019-12-03 |
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º¹¼ÒÇÔ¼öÆí ÇÚµå¾Æ¿ô ÀÚ·á´Â ¾î¶»°Ô ±¸Çϳª¿ä?? |
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haeun8** |
2019-12-05 |
±ÛÁ¦¸ñ |
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ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-12-05 |
|
°ÀÇ µè´Â ÆäÀÌÁö 1° ¿·¿¡ ÀÚ·á¹Þ±â¿¡¼ ÆÄÀÏ ¾ÆÀÌÄÜ Å¬¸¯Çϸé ÀÚ·á ´Ù¿î°¡´ÉÇÕ´Ï´Ù. |
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2813 |
280p 31¹ø |
thdtkddlr0** |
2019-12-03 |
±ÛÁ¦¸ñ |
280p 31¹ø |
ÀÛ¼ºÀÚ |
thdtkddlr0** |
µî·ÏÀÏ |
2019-12-03 |
|
Á¢Æò¸éÀÇ ¹æÁ¤½Ä¿¡¼ (x-x_0)ó·³ µÇ¾î¾ß ÇÏÁö ¾Ê³ª¿ä? Á¢Æò¸éÀº ¿øÁ¡À» Áö³ªÁö ¾Ê´Âµ¥.. ±×¸®°í,¿¡¼ =2°¡ µÇ´Â ÀÌÀ¯¸¦ ¸ð¸£°Ú½À´Ï´Ù. ¾Æ¹«¸® °ø°£¿¡ ±×·ÁºÁµµ ÀÌ ¹®Á¦°¡ ¾î¶² ÇüÅÂÀÎÁö Àß ¸ð¸£°Ú½À´Ï´Ù....
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2019-12-05 |
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haeun8** |
µî·ÏÀÏ |
2019-12-05 |
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°í1°úÁ¤¿¡¼ ¿øÀÇ ¹æÁ¤½ÄÁß
¿ø x^2 + y^2 = r^2 À§ÀÇ Á¡ (x_0, y_0)¿¡¼ Á¢¼±ÀÇ ¹æÁ¤½ÄÀº (x_0)x + (y_0)y = r^2 À¸·Î ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù.
¸¶Âù°¡Áö·Î Ÿ¿øü x^2 + y^2/4 + z^2/3 =1 À§ÀÇ Á¡ (x_0, y_0, z_0)¿¡¼
Á¢Æò¸éÀÇ ¹æÁ¤½ÄÀº (x_0)x + (y_0)y/4 + (z_0)z/3 =1 ·Î ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù. |
|
2812 |
279p 27¹ø, 29¹ø |
thdtkddlr0** |
2019-12-03 |
±ÛÁ¦¸ñ |
279p 27¹ø, 29¹ø |
ÀÛ¼ºÀÚ |
thdtkddlr0** |
µî·ÏÀÏ |
2019-12-03 |
|
cosx=cosy=cos(x+y) ¹üÀ§´Â x,y>0°ú x+y<2pi±îÁö ÀÌÇØÇß½À´Ï´Ù. x¿Íy°ªÀÌ 2pi/3À» µµÃâÇÏ´Â °úÁ¤À» ¸ø ã°Ú½À´Ï´Ù.. 29¹ø¿¡¼´Â v=xyz°¡ ¾Æ´Ï¶ó 8xyz·Î ³õ°í Ç®¾î¾ßÇÏ´Â ÀÌÀ¯¸¦ ¸ø ã°Ú½À´Ï´Ù,
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2019-12-05 |
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ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-12-05 |
|
1. cosx=cosy ¿¡¼ x=y À̹ǷΠcosx=cos2x °¡ µÇ¸ç ÀÌ ½ÄÀ» Ç®¸é x,y °ªÀ» ãÀ» ¼ö ÀÖ½À´Ï´Ù.
2. 1ÆȺаø°£À§ÀÇ Á¡À» (x, y, z) ·Î Àâ¾ÒÀ¸¹Ç·Î
±¸¿¡ Á¢ÇÏ´Â Á÷À°¸éüÀÇ ÇѺ¯ÀÇ ±æÀÌ´Â 2x, 2y, 2z °¡ µË´Ï´Ù. |
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2811 |
Áú¹®ÀÔ´Ï´Ù. |
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2019-12-02 |
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ÀÛ¼ºÀÚ |
juju09** |
µî·ÏÀÏ |
2019-12-02 |
|
p.394 À¯ÇüÇнÀ1 ¿¡¼ (p,¥Õ) À» (psin¥Õcos¥è , pcos¥Õ) ¶ó°í ³ªÅ¸³»Áö ¾Ê°í Ã¥ÀÇ Çؼ³Ã³·³ ³ªÅ¸³»´Â ºÎºÐÀÌ ÀÌÇØ°¡ °¡Áö ¾Ê½À´Ï´Ù.
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2019-12-05 |
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µî·ÏÀÏ |
2019-12-05 |
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±ØÁÂÇ¥¶ó ÁÖ¾îÁ® ÀÖ½À´Ï´Ù.
±¸¸éÁÂÇ¥°¡ ¾Æ´Ñ ±ØÁÂÇ¥·Î »ý°¢ÇØ¾ß ÇÕ´Ï´Ù. |
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2810 |
Áú¹®ÀÔ´Ï´Ù. |
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2019-12-02 |
±ÛÁ¦¸ñ |
Áú¹®ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
juju09** |
µî·ÏÀÏ |
2019-12-02 |
|
p.293 ¹®Á¦ 27¹ø ÀÔ´Ï´Ù. Çؼ³¿¡¼ "y = Ax ¸¦ ¸¸Á·ÇØ¾ß ÇϹǷΠy ´Â AÀÇ ¿°ø°£ÀÇ ¿ø¼Ò°¡ µÇ¾î¾ß ÇÑ´Ù" ºÎºÐÀÌ ÀÌÇØ°¡ Àß °¡Áö ¾Ê½À´Ï´Ù.
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2019-12-05 |
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µî·ÏÀÏ |
2019-12-05 |
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y´Â Ä¡¿ª°ø°£(»ó°ø°£)ÀÌ¸ç »ó°ø°£Àº ¿°ø°£°ú °°½À´Ï´Ù. |
|
2809 |
Áú¹®ÀÔ´Ï´Ù. |
juju09** |
2019-12-02 |
±ÛÁ¦¸ñ |
Áú¹®ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
juju09** |
µî·ÏÀÏ |
2019-12-02 |
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p.291 ¹®Á¦21¹ø ÀÔ´Ï´Ù. Çؼ³¿¡ ÀÇÇÏ¸é µ¶¸³ÀÏ°æ¿ì 2Â÷¿ø, Á¾¼ÓÀÏ°æ¿ì 1Â÷¿øÀ̶ó°í Çϴµ¥ .. µ¶¸³ÀÏ°æ¿ì rank °¡ "2" ¶ó¼ 2Â÷¿øÀÌ°í, Á¾¼ÓÀÏ°æ¿ì ½Ç¼ö¹è·Î µ¶¸³º¯¼ö°¡ Çϳª¶ó¼ 1Â÷¿øÀΰ¡¿ä ?
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2019-12-05 |
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µî·ÏÀÏ |
2019-12-05 |
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º¤ÅÍÀÇ °³¼ö°¡ n °³¶ó Çϸé
µ¶¸³ÀÏ °æ¿ì rank=n ÀÌ°í Á¾¼ÓÀÏ °æ¿ì rank<n ÀÔ´Ï´Ù. |
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2808 |
Áú¹®ÀÔ´Ï´Ù. |
juju09** |
2019-12-02 |
±ÛÁ¦¸ñ |
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ÀÛ¼ºÀÚ |
juju09** |
µî·ÏÀÏ |
2019-12-02 |
|
p.270 À¯ÇüÇнÀ1 ¿¡¼ k=5°¡ µÇ¸é rank °¡ 2°¡ µÇ´Âµ¥ , ºÎºÐ°ø°£Àº 3Â÷¿øÀ̱⠶§¹®¿¡ rank °¡ 3ÀÌ µÇµµ·Ï ÇؾßÇÏ´Â°Í ¾Æ´Ñ°¡¿ä??
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2019-12-05 |
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2019-12-05 |
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ÀÏÂ÷°áÇÕÀ¸·Î Ç¥ÇöµÇ¾î¾ß ÇÕ´Ï´Ù. Áï, c1, c2, c3 ÀÇ °ª ÇØ°¡ Á¸ÀçÇØ¾ß ÇϹǷÎ
°è¼öÇà·ÄÀÇ rank¿Í ÷°¡Çà·ÄÀÇ rank°¡ °°¾Æ¾ßÇÔÀ» ÀÌ¿ëÇÕ´Ï´Ù. |
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2807 |
278p 23¹ø |
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2019-12-02 |
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278p 23¹ø |
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2019-12-02 |
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x=y=2^(4/3), z=2^(1/3)ÀÌ ´äÀΰ¡¿ä??
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2019-12-05 |
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2019-12-05 |
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¾Æ´Õ´Ï´Ù. 23¹øÀÇ ´äÀº 4¹øÀÌ ¸Â½À´Ï´Ù. |
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2806 |
20° 41ºÐ´ë |
vtor** |
2019-12-02 |
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20° 41ºÐ´ë |
ÀÛ¼ºÀÚ |
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2019-12-02 |
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¿©±â¼ ¿Ö Zc´Â Z/2Àΰ¡¿ä? |
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2019-12-05 |
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µî·ÏÀÏ |
2019-12-05 |
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xy Æò¸é(z_1=0) °ú z_2=4-x^2 -y^2 ÀÇ ÁßÁ¡À¸·Î z_c = (z_1 + z_2)/2 °¡ µË´Ï´Ù. |
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