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[Ãà´ç÷] ½ÅÇбâ À̺¥Æ® ´ç÷ÀÚ ¹ßÇ¥
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±è¼øÀÚ |
2018-04-02 |
4816 |
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2018 ½ÅÇбâ À̺¥Æ® °øÁö^^
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2018-02-13 |
6532 |
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Ãà! ¼ö°Èıâ À̺¥Æ® ´ç÷ÀÚ ¹ßÇ¥~!
(1)
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±è¼øÀÚ |
2015-08-11 |
7246 |
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[¼ø¼öÄûÁî] Á¤´äÀÚ ¹ßÇ¥~
(6)
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±è¼øÀÚ |
2015-03-24 |
9517 |
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[´ç÷ÀÚ¹ßÇ¥] µµÀü! ³ªµµ ¼öÇа³³ä¿Õ
(6)
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±è¼øÀÚ |
2015-01-14 |
6659 |
23 |
¼±»ý´Ô~42° ¼ø¼öÄûÁî Á¤´äÀÌ¿ä^^
(1)
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¹Ú¼ÒÁ¤ |
2015-01-18 |
822 |
°³³ä½ë Áß2(»ó)
a=-2 b=-2 ab=-2x2= -4
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22 |
21¼ø¼öÄûÁî
(1)
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ÀÌÁ¾¹ü |
2015-01-16 |
864 |
°³³ä½ë Áß2(»ó)
Áß2»ó °³³ä ½ë 21° ¼ø¼öÄûÁî ÀÇ ´ä k=2
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21 |
18° ¼ø¼öÄûÁî
(1)
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±èÈñ¿¬ |
2015-01-16 |
843 |
°³³ä½ë Áß2(»ó)
1-2ab+b ¸Â³ª¿ä? ºÐ¼ö°¡ ³ª¿Í¼ Ç®ÀÌ°úÁ¤ ¾²±â Èûµé¾î¼ Ç®ÀÌ°úÁ¤Àº ¸ø½èÁö¸¸..! ½Ü °ÀÇ °è¼Ó µè°íÀÖ¾úÁö¸¸ ¼ø¼öÄûÁî´Â ÀÌÁ¦¾ß Ç®¾îº¸³×¿ä¤»¤»¤»
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20 |
9° ÄûÁîÁ¤´äÀÌ¿ä~
(1)
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±è¼ÒÇö |
2015-01-15 |
776 |
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19 |
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[´ç÷ÀÚ¹ßÇ¥] µµÀü! ³ªµµ ¼öÇа³³ä¿Õ
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±è¼øÀÚ |
2015-01-14 |
6659 |
°³³ä½ë ¼öÇÐ1(»ó)
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¹®È»óÇ°±ÇÀº ³»°øºÎ¹æ ÇÚµåÆù Á¤º¸¸¦ ÅëÇÏ¿© ±ÝÁÖÁßÀ¸·Î ¹ß¼ÛÇØ µå¸®°Ú½À´Ï´Ù^^
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°³³äÀÇ Àý´ë°ÀÚ! ±è¼øÀÚ¼±»ý´Ô °ÀÇ·Î ¿À´Ãµµ Áñ°Å¿î ¼öÇаøºÎ ÇϽñ⠹ٶø´Ï´Ù
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18 |
18° Á¤´äÀÌ¿ä~
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¼Ûº´¼· |
2015-01-13 |
810 |
°³³ä½ë ¼öÇÐ1(»ó)
ºÐ¼ö¶û °°ÀÌ ÀÖ¾î¼ Á¦°¡ À߸ø ºÃ¾ú³ªºÁ¿ä ¤¾¤¾ 15/aÀÇ ¿ª¼ö´Â -3*b/2´Ï±î a=2ÀÌ°íb=5À̹ǷΠ´äÀº a*-b=-2*-5=10ÀÔ´Ï´Ù. ´ä:10
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17 |
¼±»ý´Ô~25° ¼ø¼öÄûÁî Á¤´äÀÌ¿ä^^
(2)
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¹Ú¼ÒÁ¤ |
2015-01-12 |
801 |
°³³ä½ë Áß2(»ó)
ÀÏÂ÷¹æÁ¤½Ä ¾çº¯¿¡ ÃÖ¼Ò°ø¹è¼öÀÎ 6À» °öÇÑ´Ù. 6(x-1)+6y = 30 , 6x-6+6y = 30 , 6x+6y = 24 (x, y °ªÀÇ Â÷ = 1) (1,15) (2,12) (3,9) (4,6) (5,6) 2x5x6=60 µû¶ó¼ ¹®Á¦¿¡¼ ±¸ÇÏ°íÀÚ ÇÏ´Â ´äÀº 30ÀÌ´Ù.
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16 |
¼±»ý´Ô~21° ¼ø¼öÄûÁî Á¤´äÀÌ¿ä^^
(1)
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¹Ú¼ÒÁ¤ |
2015-01-11 |
773 |
°³³ä½ë Áß2(»ó)
(-2,4) ¸¦ ÀÏÂ÷¹æÁ¤½Ä¿¡ ´ëÀÔÇϸé
-2x(-2)+4k=12
4+4k=12
4k=12-4
4k=8 ´äÀº k=2ÀÌ´Ù!
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15 |
18° ¼ø¼öÄûÁî Á¤´äÀÌ¿ä!
(1)
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¼Ûº´¼· |
2015-01-08 |
796 |
°³³ä½ë ¼öÇÐ1(»ó)
(a/15)ÀÇ ¿ª¼ö´Â (15/a)ÀÌ´Ù ±×·±µ¥ (15/a)=(3*b/2)´Ï±î a=2 b=15/3=5·Î b=5ÀÌ´Ù Á¤¸®¸¦ Çϸé a=2 b=5ÀÌ´Ù 2*5=10À¸·Î ´äÀº 10ÀÌ´Ù ´ä:10
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14 |
17° ¼ø¼öÄûÁî Á¤´äÀÌ¿ä~~
(1)
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¼Û¼ö¹Î |
2015-01-07 |
874 |
°³³ä½ë Áß3(»ó)
³ÐÀÌ°¡ 2aÁ¦°ö+5a+2ÀÌ°í, °¡·ÎÀÇ ±æÀÌ°¡ (a+2)ÀÎ Á÷»ç°¢ÇüÀÇ µÑ·¹ÀÇ ±æÀÌ´Â?(´Ü, a>0) =(a+2)(2a+( ))=2aÁ¦°ö+5a+2 =2aÁ¦°ö+( )a+4a+2( ) =2aÁ¦°ö+a+4a+2 =2a+5a+2 ( )=1 ¼¼·ÎÀÇ ±æÀÌ=(2a+1) ±×·¯¹Ç·Î Á÷»ç°¢ÇüÀÇ µÑ·¹ÀÇ ±æÀÌ´Â... =2(a+2)+2(2a+1) =2a+4+4a+2 =6a+6ÀÌ´Ù. ´äÀº 6a+6!
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