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[Ãà´ç÷] ½ÅÇбâ À̺¥Æ® ´ç÷ÀÚ ¹ßÇ¥
(1)
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±è¼øÀÚ |
2018-04-02 |
4813 |
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2018 ½ÅÇбâ À̺¥Æ® °øÁö^^
(8)
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±è¼øÀÚ |
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 |
7244 |
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[¼ø¼öÄûÁî] Á¤´äÀÚ ¹ßÇ¥~
(6)
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±è¼øÀÚ |
2015-03-24 |
9516 |
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[´ç÷ÀÚ¹ßÇ¥] µµÀü! ³ªµµ ¼öÇа³³ä¿Õ
(6)
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±è¼øÀÚ |
2015-01-14 |
6659 |
93 |
15° Á¤´äÀÌ¿ä!!
(1)
|
±èÀçÀÎ |
2017-02-24 |
602 |
x=-8ÀÌ°í y=4ÀÌ´Ï -8+4=-4 ´äÀº -4ÀÔ´Ï´Ù!!
|
92 |
12° Á¤´äÀÌ¿ä!!
(1)
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±èÀçÀÎ |
2017-02-21 |
551 |
°³³ä½ë ¼öÇÐ1(»ó)
Àý´ñ°ªÀº ºÎÈ£°¡ ¾ø¾îÁö´Ï±î 30+70=100 Á¤´äÀº 100ÀÌ¿ä!!
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91 |
9° Á¤´äÀÌ¿ä~
(1)
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±èÀçÀÎ |
2017-02-19 |
636 |
°³³ä½ë ¼öÇÐ1(»ó)
Á¤´äÀº 36¸íÀÌ¿ä~ »§ ¸ÀÀְڳ׿ä~
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90 |
2° ÄûÁî Á¤´äÀÔ´Ï´Ù.
(1)
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õÁöÀ± |
2017-02-01 |
611 |
°³³ä½ë ¼öÇÐ1(»ó)
¼±»ý´Ô ºñ¹Ð¹øÈ£´Â 7325 ÀÔ´Ï´Ù.
¾ó¸¥ Áý¿¡ µé¾î°¡¼¼¿ä
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89 |
22° Á¤´äÀÌ¿ä
(1)
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¹ÎÈ¿µ |
2016-03-02 |
779 |
¸Ç ¾Æ·¡ºÎÅÍ Ç®¸é -x,3x,-2x,6x°í
±×ÀÄÀº 2x,x, 4xÀÔ´Ï´Ù
±×ÀÄÀº 3x, 5xÀ̹ǷΠB=5xÀÔ´Ï´Ù.
¸¶Áö¸· A=8xÀ̹ǷÎ
8x+x5x´Â 13xÀÔ´Ï´Ù.
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88 |
18° Á¤´äÀÌ¿ä!~~
(1)
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¹ÎÈ¿µ |
2016-02-26 |
758 |
°³³ä½ë ¼öÇÐ1(»ó)
a´Â -2ÀÌ°í
b´Â +5ÀÔ´Ï´Ù.^^ µû¶ó¼ ´äÀº - 10¿ä*_*
¼±»ý´Ô °ÀÇ Àç¹Õ°Ô Àß º¸°í ÀÖ½À´Ï´Ù~~^^
|
87 |
28° ¼ø¼öÄûÁî ´äÀÌ¿ä~!
(1)
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·ù³ª¿ì |
2016-02-24 |
756 |
°³³ä½ë ¼öÇÐ1(»ó)
-2X=-5=7
-2X=5+7
-2X=12
X=-6
-6a+5=0
-6a=-5
a=5/6
±×·¡¼ ´äÀÌ 5/6
|
86 |
17° Á¤´ä!
(1)
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¹ÚÁø¾Æ |
2016-02-22 |
658 |
Á¤´ä: 6a+6
Ç®ÀÌ:³ÐÀÌ°¡ 2aÀÇÁ¦°ö+ 5a+2 À̶ó°í ÇßÀ¸´Ï±ñ ÀμöºÐÇØÇϸé (2a+1)(a+2) ÀÌ´Ù.
2(2a+1)= (4a+2)
2(a+2)= (2a+2)
(4a+2)+ (2a+2)
=6a+6
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85 |
15° Á¤´äÀÌ¿ä
(1)
|
¹ÎÈ¿µ |
2016-02-22 |
717 |
°³³ä½ë ¼öÇÐ1(»ó)
+3,-5,+2¸¦ °è»êÇϸé 0À̴ϱî x=-8 y=+4 ¿ä~~
Ʋ·Áµµ,¸Â¾Æµµ Ç×»ó Ä£ÀýÇÏ°Ô ´äº¯ ÇØÁּż °¨»çÇØ¿ä.¤¾¤¾
|
84 |
22° ´äÀÌ¿ä~!
(1)
|
·ù³ª¿ì |
2016-02-15 |
754 |
°³³ä½ë ¼öÇÐ1(»ó)
6X+¤±=4X
¸Ç ¾Æ·¡ Ä=4X-6X= -6X-4X= -2X
2¹ø° Ä= 3X+2X= X
¸Ç ÀÄ=2X+X= 3X
A= 3X+5X= 8X
B= X+4X= 5X
±×·¯¹Ç·Î A+B= 8X+5X= 13X
´ä:13X
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