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2012-12-04 pm 6:41:00 69.--.244.224 |
| G/2+ 10=L , G-L=2 -> G= 24, L=22
3L -6 = G, G-L= 2. -> L=4, G=6
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2012-12-04 pm 6:49:00 173.--.117.48 |
| 1. ¿¬¼ÓÇÑ µÎ°³ÀÇ Â¦¼ö Á¤¼öÀ̹ǷΠÇÑ°³´Â X ³ª¸ÓÁö ÇÑ°³´Â X+2 x-(x+2)/2 = 10 x=22 x+2=24
2. 3x - (x+2) = 6
3. 4°³ ¿¬¼Ó Á¤¼ö.... x-1 x x+1 x+2 2(x+1+x+2) - 3(x-1) = 91 81, 82, 83, 84
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2012-12-04 pm 6:50:00 24.--.152.105 |
| 1. µÎ ¿¬¼Ó ¦¼ö¸¦ a(ÀÛÀº ¼ö) ¿Í a+2 (Å« ¼ö) ¶ó ³õÀ» ¼ö ÀÖ°ÚÁö¿ä.
ÁÖ¾îÁø ¹®ÀåÀ» ½ÄÀ¸·Î ¸¸µé¸é: a = (a+2)/2 + 10 ÀÌ°ÍÀ» Ç®¸é a=22. µû¶ó¼ ÀÛÀº ¼ö´Â 22 Å« ¼ö´Â 24
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2012-12-04 pm 6:51:00 96.--.121.185 |
| 1,2 ¹ø¿¡¼ ¸ðµÎ Å«¼ö¸¦ x ³õ°í 1. x-2=10+ x/2 x=24 , ±×·¯¹Ç·Î ÀÛÀº¼ö´Â 22 2. x=3(x-2)-6 x=6, ±×·¯¹Ç·Î ÀÛÀº¼ö´Â 4
3. ¼ö¸¦ ¼ø¼´ë·Î x. x+1, x+2, x+3 À̶ó ÇßÀ»¶§ 2(x+2+x+3)=3x+91 ±×·¡¼ x=81, ±×·¯¹Ç·Î 4°³ÀÇ ¼ýÀÚ´Â 81, 82, 83, 84 |
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| * º»ÀÎÀÌ »èÁ¦Ç߰ųª °ü¸®ÀÚ¿¡ ÀÇÇØ »èÁ¦µÈ ±ÛÀÔ´Ï´Ù. |
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2012-12-04 pm 6:54:00 96.--.21.208 |
| 1. ¿¬¼ÓÇÏ´Â µÎ ¦¼ö : n. n+2 n = 1/2(n+2) + 10 n = 22 ´ä : 22, 24 2. n+2 = 3n - 6 n= 4 ´ä : 4, 6 3. ¿¬¼ÓÇÏ´Â ³×°³ÀÇ ¼ö : n, n+1, n+2, n+3 2*(n+2+n+3) = 3n +91 4n + 10 = 3n +91 n = 81 ´ä: 81, 82, 83, 84 |
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2012-12-04 pm 6:54:00 24.--.152.105 |
| 2. µÎ ¿¬¼Ó ¦¼ö¸¦ a(ÀÛÀº ¼ö) a+2 (Å« ¼ö) ¶ó ³õ°í ÁÖ¾îÁø ¹®ÀåÀ» ½ÄÀ¸·Î ¸¸µé¸é
a+2= 3a-6 ÀÌ°ÍÀ» Ç®¸é a=4. µû¶ó¼ ÀÛÀº ¼ö´Â 4 Å« ¼ö´Â 6 |
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| * º»ÀÎÀÌ »èÁ¦Ç߰ųª °ü¸®ÀÚ¿¡ ÀÇÇØ »èÁ¦µÈ ±ÛÀÔ´Ï´Ù. |
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2012-12-04 pm 6:57:00 108.--.61.184 |
| 1) 18, 20: 20/2 + 10 = 10 + 10 = 20 > 18 20, 22: 22/2 + 10 = 11 + 10 = 21 > 20 22, 24: 24/2 + 10 = 12 + 10 = 22 = 22 24, 26: 26/2 + 10 = 13 + 10 = 23 < 24
2) 22, 24: 22*3 - 6 = 66 - 6 = 60 > 24 20, 22: 20*3 - 6 = 60 - 6 = 54 > 22 ... 10, 12: 10*3 - 6 = 30 - 6 = 24 > 12 ... 6, 8: 6*3 - 6 = 18 - 6 = 12 > 8 4, 6: 4*3 - 6 = 12 - 6 = 6 = 6 2, 4: 2*3 - 6 = 6 - 6 = 0 < 4
3) 1,2,3,4: 2*(3+4)=14 < 94=3*1+91 2,3,4,5: 2*(4+5)=18 < 97=3*2+91 ... 71,72,73,74: 2*(73+74)=294 = 304=3*71+91 ... 80,81,82,83: 2*(82+83)=330 < 331=3*80+91 81,82,83,84: 2*(83+84)=334 = 334=3*81+91 82,83,84,85: 2*(84+85)=338 > 337=3*82+91 |
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2012-12-04 pm 6:59:00 75.--.76.191 |
| 1. 2x = (1/2) (2x + 2) + 10 x = 11 ans: 22, 24
2. 3x - (x+2) = 6 x=4 ans: 4, 6
3. [(x + 2) + (x + 3)] - 3x = 91 x = -86 ans: -86, -85, -84, -83 |
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2012-12-04 pm 7:01:00 99.--.169.183 |
| ¿ø±Û) ¿Í¿ì ¿ª½Ã ¯ÀÎ ¿ì¸®ÀÇ ¹Ì¾¾´Ôµé.. ³Ñ °¨»çÇÕ´Ï´Ù. ¿Ã·ÁÁֽŠ´ä Àß ÂüÁ¶ÇÒ²²¿ä... Çà¿îÀÇ ¿©½ÅµéÀÌ ÇÔ²²ÇÏ±æ ¹Ù¶ó¸ç...... |
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