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[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
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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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Àΰ ¼ö°»ý ¿©·¯ºÐµé
Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ýÀÔ´Ï´Ù.
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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.
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338P 49¹ø ¹®Á¦ |
moonidoo** |
2020-04-17 |
±ÛÁ¦¸ñ |
338P 49¹ø ¹®Á¦ |
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moonidoo** |
µî·ÏÀÏ |
2020-04-17 |
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2020-04-21 |
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hongd** |
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2020-04-21 |
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3029 |
p340. 55¹ø Áú¹® µå¸³´Ï´Ù~!! |
pon07** |
2020-04-16 |
±ÛÁ¦¸ñ |
p340. 55¹ø Áú¹® µå¸³´Ï´Ù~!! |
ÀÛ¼ºÀÚ |
pon07** |
µî·ÏÀÏ |
2020-04-16 |
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hongd** |
2020-04-21 |
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hongd** |
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2020-04-21 |
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¸¸ÀÏ ±Ø¹æÁ¤½ÄÀÌ ³ª¿À¸é ¸Å°³º¯¼ö·Î ¹Ù²Ù¾î¼ ±¸ÇÏ¸é µÈ´Ï´Ù. |
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3028 |
Áú¹® |
ckwjdgur** |
2020-04-16 |
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Áú¹® |
ÀÛ¼ºÀÚ |
ckwjdgur** |
µî·ÏÀÏ |
2020-04-16 |
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160 ÂÊ À¯ÇüÇнÀ 1 sin ·çÆ®(Àý´ë°ª t)°¡ ¿Ö ¿ìÇÔ¼ö ÀÌÁÒ?? sinÀº ±âÇÔ¼öÀε¥ ¾È¿¡ÀÖ´Â ·çÆ®(Àý´ë°ªt)¸¸ »ó°üÀִ°ǰ¡¿ä |
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hongd** |
2020-04-21 |
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hongd** |
µî·ÏÀÏ |
2020-04-21 |
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¿ìÇÔ¼ö´Â x´ë½Å¿¡ -x¸¦ ´ëÀÔÇÏ¿©µµ °á°ú°¡ °°À¸¸é ¿ìÇÔ¼öÀÔ´Ï´Ù.
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3027 |
p.70 17¹ø |
aelr1** |
2020-04-15 |
±ÛÁ¦¸ñ |
p.70 17¹ø |
ÀÛ¼ºÀÚ |
aelr1** |
µî·ÏÀÏ |
2020-04-15 |
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2020-04-16 |
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hongd** |
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2020-04-16 |
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¿¬¼ÓÀÌ¸é ±ØÇÑ°ªÀÌ Á¸ÀçÇÕ´Ï´Ù. |
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3026 |
p.36 [Ʋ¸®±â ½¬¿î ¼ö¿ÀÇ ±ØÇÑ°ª] (ÀçÁú¹®) |
aelr1** |
2020-04-15 |
±ÛÁ¦¸ñ |
p.36 [Ʋ¸®±â ½¬¿î ¼ö¿ÀÇ ±ØÇÑ°ª] (ÀçÁú¹®) |
ÀÛ¼ºÀÚ |
aelr1** |
µî·ÏÀÏ |
2020-04-15 |
|
¸»¾¸ÇØÁֽŴë·Î µÎ¹ø°ÁÙÀÇ 'lima_n=0 ¶Ç´Â limb_n=0ÀÌ´Ù.(x)'´Â ¹®Á¦ Á¶°ÇÀÌ°í, ÇØ´ç ¸íÁ¦´Â °ÅÁþÀ̶ó µÇ¾î ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ ¹Ý·Ê¿¡ ÇØ´çÇÏ´Â ºÎºÐÀ» º¸¸é, a_n °ú b_n µÑ Áß Çϳª´Â Ç×»ó 0ÀÔ´Ï´Ù. µû¶ó¼ ÇØ´ç ¹Ý·Ê´Â 'lima_n=0 ¶Ç´Â limb_n=0ÀÌ´Ù.'¶ó´Â Á¶°Ç¿¡ ºÎÇÕÇÏÁö ¾Ê½À´Ï±î?¸¦ Áú¹®µå¸°°Å¿´´Âµ¥ Á¦°¡ Áú¹®À» ¾Ö¸ÅÇÏ°Ô µå·È´ø°Í °°½À´Ï´Ù. ÇØ´ç ¹Ý·Ê´Â Á¶°Ç¿¡ ºÎÇÕÇϹǷΠx °¡ ¾Æ´Ñ o °¡ µÇ°Å³ª, Á¶°ÇÀ» 'lima_n=0 ¶Ç´Â limb_n=0ÀÌ´Ù.(x)'¿¡¼ '¶Ç´Â' ÀÌ ¾Æ´Ï¶ó 'ÀÌ°í'·Î ¹Ù²ã¾ß ÇÏÁö ¾Ê½À´Ï±î?
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2020-04-16 |
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hongd** |
µî·ÏÀÏ |
2020-04-16 |
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¹®Á¦°¡ lim a_n b_n =0 À̸é lima_n=0 ¶Ç´Â limb_n=0 ÀÌ ÂüÀÎÁö °ÅÁþÀÎÁö¸¦ ÆÇ´ÜÇÏ´Â ¹®Á¦ÀÔ´Ï´Ù.
±×·¡¼ À§ÀÇ ¸éÁ¦°¡ °ÅÁþÀ̶ó´Â °ÍÀÔ´Ï´Ù.
Ʋ¸®´Ù´Â °ÍÀ» ¾Æ·¡¿¡ ¹Ý·Ê¸¦ µé¾î¼ ¼³¸íÇÑ °ÍÀÔ´Ï´Ù.
±×¸®°í ¹Ý·Ê¿¡ lima_n=0 ÀÌ ¼º¸³ÇÏÁö ¾Ê½À´Ï´Ù. ´çÇöÈ÷ lim b_n =0 ÀÌ ¼º¸³ÇÏÁö ¾Ê½À´Ï´Ù.
¼ö¿ a_n, b_nÀ» ÀÚ¼¼È÷ º¸¼¼¿ä. ¹ø°¡¶ó °¡¸é¼ ¿µÀÔ´Ï´Ù. ±×¸®°í a_n b_n =0 ÀÔ´Ï´Ù.
¹Ý·Ê¸¦ ¿ªÀ¸·Î »ý°¢ÇÏ½Ã¸é ¾ÊµË´Ï´Ù.
À§ÀÇ ¸éÁ¦°¡ °ÅÁþÀÎ °ÍÀ» ÀÌÇظ¦ µ½±â À§Çؼ ½á ³õÀº °ÍÀÔ´Ï´Ù.
¾Æ·¡ ¹Ý·Ê´Â ¹®Á¦¿¡ ¾ø´Â °Í ÀÌ´Ï´Ù. |
|
3025 |
68p 9¹ø 10¹ø |
aelr1** |
2020-04-13 |
±ÛÁ¦¸ñ |
68p 9¹ø 10¹ø |
ÀÛ¼ºÀÚ |
aelr1** |
µî·ÏÀÏ |
2020-04-13 |
|
Áõ¸í¹®Á¦ÀÇ Çؼ³À» ºÁµµ Àß ÀÌÇØ°¡ µÇÁö ¾Ê´Âµ¥...ƯÈ÷ µ¨Å¸¿Í ¿¦½Ç·ÐÀÇ ÀÓÀǼ³Á¤¹æ¹ý¿¡ ´ëÇØ Àß ¸ð¸£°Ú½À´Ï´Ù. Ãß°¡ÀûÀÎ ¼³¸íºÎŹµå¸³´Ï´Ù.
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hongd** |
2020-04-15 |
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ÀÛ¼ºÀÚ |
hongd** |
µî·ÏÀÏ |
2020-04-15 |
|
¾ö¹ÐÇÑ ÀǹÌÀÇ ±ØÇÑÀÇ Á¤ÀǸ¦ Á¤È®È÷ ÀÌÇØÇØ¾ß Çؼ³À» ÀÌÇØ ÇÒ ¼ö ÀÖ½À´Ï´Ù.
¾ö¹ÐÇÑ ÀǹÌÀÇ ±ØÇÑ µ¿¿µ»ó°ú Á¤ÀÇ¹× ±âÇÏÇÐÀû ÀÇ¹Ì ºÎºÐÀ» ´Ù½ÃÇѹø º¸½Ã°í
±×¸®µµ ¸ð¸£¸é µ¨ÀÇ ÃÖµ«°ª ±¸ÇÏ´Â ¹æ¹ý¸¸ ¾Ë¾ÆµÎ¼¼¿ä.
ÁÖ°ü½ÄÀº ¿¬°í´ë¸¸ ÃâÁ¦µÇ¼¿ä. |
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3024 |
99p 30¹ø Áú¹®ÀÔ´Ï´Ù. |
jaeji** |
2020-04-13 |
±ÛÁ¦¸ñ |
99p 30¹ø Áú¹®ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
jaeji** |
µî·ÏÀÏ |
2020-04-13 |
|
30¹ø f(x)¸¦ ¹ÌºÐÇßÀ»¶§ °ªÀÌ 3x^2ÀÌ ¾Õ¿¡ ³ª¿À´Â ÀÌÀ¯¸¦ ¾Ë°í½Í½À´Ï´Ù.
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hongd** |
2020-04-15 |
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hongd** |
µî·ÏÀÏ |
2020-04-15 |
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Á¤ÀûºÎ´É·Î Ç¥½ÃµÈ ÇÔ¼öÀÇ ¹ÌºÐ¼ºÁúÀ» ÀÌ¿ëÇÏ¸é µË´Ï´Ù. p 157ÂÊ Âü°íÇϼ¼¿ä. |
|
3023 |
p.36 [Ʋ¸®±â ½¬¿î ¼ö¿ÀÇ ±ØÇÑ°ª] |
aelr1** |
2020-04-12 |
±ÛÁ¦¸ñ |
p.36 [Ʋ¸®±â ½¬¿î ¼ö¿ÀÇ ±ØÇÑ°ª] |
ÀÛ¼ºÀÚ |
aelr1** |
µî·ÏÀÏ |
2020-04-12 |
|
¿ìÃø »ó´Ü ¹Ú½º¼Ó ³»¿ë¿¡¼± µÎ¹ø° ÁÙ¿¡ 'lima_n=0 ¶Ç´Â limb_n=0ÀÌ´Ù.(x)'¶ó ½áÀִµ¥, '¶Ç´Â'Àº 'or'ÀÇ ÀÇ¹Ì·Î½á µÑ Áß Çϳª ÀÌ»ó À̶õ ¶æÀ̹ǷΠ¹Ý·Ê¿¡ ÇØ´çÇÏ´Â ³»¿ëÀº µÑ°ÁÙ¿¡ ÇØ´çÇÕ´Ï´Ù. µû¶ó¼ µÎ¹ø° ÁÙ ³»¿ëÀÌ 'lima_n=0 ÀÌ°í(and) limb_n=0ÀÌ´Ù.(x)'·Î ¹Ù²î¾î¾ß ÇÏÁö ¾Ê½À´Ï±î?
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hongd** |
2020-04-15 |
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hongd** |
µî·ÏÀÏ |
2020-04-15 |
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¹®Á¦¸¦ ¹Ù²Ù¸é ¾ÊµÇÁÒ. |
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3022 |
ºÎÁ¤Çü ¹«ÇÑ´ë/¹«ÇÑ´ë ²Ã ±ØÇÑ°ª |
yeeun37** |
2020-04-11 |
±ÛÁ¦¸ñ |
ºÎÁ¤Çü ¹«ÇÑ´ë/¹«ÇÑ´ë ²Ã ±ØÇÑ°ª |
ÀÛ¼ºÀÚ |
yeeun37** |
µî·ÏÀÏ |
2020-04-11 |
|
1. x°¡ ¹«ÇÑ´ë·Î °¥¶§, ÀÛÀº ÂÊÀ» ¹«½ÃÇصµ ±ØÇÑ°ªº¯ÇÏÁö ¾Ê´Â´Ù ÀÌ°Å´Â Ç×ÀÌ °öÇØÁ®ÀÖÀ» ¶§´Â Àû¿ë¸øÇÏ´Â °Ç°¡¿ä? Ç×ÀÌ ÇÕÂ÷·Î ÀÌ·ç¾îÁ® ÀÖÀ»¶§, ºÐ¼ö³¢¸® ¸¸ Àû¿ë°¡´ÉÇÑ°Ç°¡¿ä?
2. 25ÆäÀÌÁö ÆíÀÔ½ÇÀü ¹®Á¦ 2¹ø-4¹ø¹®Ç× f(x)=l x l 3Á¦°ö ÀÌ°Å´Â ¿Ö ¹ÌºÐ°¡´ÉÇÑ°Ç°¡¿ä? l x l 3Á¦°öÀº l x l Á¦°ö x l x l ¶ó°í »ý°¢Çϸé l x l ÀÌ´Ï±î ¹ÌºÐ ºÒ°¡´ÉÇÑ°Å ¾Æ´Ñ°¡¿ä? |
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hongd** |
2020-04-15 |
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hongd** |
µî·ÏÀÏ |
2020-04-15 |
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1. ¾ðÁ¦³ª ±×·± °ÍÀº ¾Æ´Ñµ¥ Àû¿ëÇÏÁö ¾ÊÀº °æ¿ì°¡ ÁÁ½À´Ï´Ù. ´õ º¹ÀâÇؼ¿ä.
2. p160ÂÊ Âü°íÇغ¸¼¼¿ä. ±×¸®°í ¹ÌºÐ°è¼ö Á¤ÀÇ ÀÌ¿ëÇÏ¸é °ªÀÌ Á¸ÀçÇÏ¿© ¹ÌºÐÀÌ °¡´ÉÇÕ´Ï´Ù. |
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3021 |
p.220 7¹ø ¹®Á¦ Áú¹®ÀÌ¿ä |
joe23** |
2020-04-10 |
±ÛÁ¦¸ñ |
p.220 7¹ø ¹®Á¦ Áú¹®ÀÌ¿ä |
ÀÛ¼ºÀÚ |
joe23** |
µî·ÏÀÏ |
2020-04-10 |
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220ÂÊ 7¹ø Çؼ³À» ºÃ´Âµ¥
1/sqrt(1-x^2) ÀÇ ±Þ¼ö°¡
¿ø·¡ 1 + (1/2)*x^2 + (3/8)*x^4 + ... °¡ µÇ¾î¾ß ÇÏ´Â °Å ¾Æ´Ñ°¡¿ä?
¾Æ¹«¸® ¹Ýº¹Çؼ Ç®¾îµµ º¸±â Áß¿¡ ´äÀÌ ¾ø´Â °Í °°¾Æ¼¿ä. |
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hongd** |
2020-04-15 |
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hongd** |
µî·ÏÀÏ |
2020-04-15 |
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ÀûºÐÇÏ¸é ±Ù»çÀûÀ¸·Î 0.327Á¤µµ ³ª¿É´Ï´Ù.
ÀÌÇ×Àü°³¸¦ ÇÒ ¶§ °è»êÀÌ Àß ¸ø µÇ¾ú½À´Ï´Ù. |
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3020 |
p.138 1¹ø |
aelr1** |
2020-04-09 |
±ÛÁ¦¸ñ |
p.138 1¹ø |
ÀÛ¼ºÀÚ |
aelr1** |
µî·ÏÀÏ |
2020-04-09 |
|
1¹ø¿¡ 1¹ø ºÐÀÚ°¡ x^x-x-2=(x-2)(x+1)À̹ǷΠºÐ¸ðÀÇ x-2¿Í ¾àºÐÇÏ¿© ½ÄÀÚü°¡ x+1ÀÌ µÇ¹Ç·Î x=2ÀÏ °æ¿ì ºÒ¿¬¼ÓÀÌ µÇ±â À§Çؼ± ºÐ¸ðÀÇ x-2°¡ ³²¾ÆÀÖ¾î¾ß Çϴµ¥ ¾ÖÃÊ¿¡ »ç¶óÁö¹Ç·Î ÇØ´ç»çÇ×ÀÌ Á¸ÀçÄ¡ ¾ÊÁö ¾Ê½À´Ï±î? ¸¸¾à, ¾àºÐÀÌ µÇ±âÀüÀÇ ºÐ¸ð x-2°¡ ¹®Á¦¶ó¸é, ¸ðµç ÇÔ¼ö f(x)= f(x)*(x-2)/(x-2)À̹ǷΠx=2¿¡¼ ºÒ¿¬¼ÓÀ̶ó ÇÒ ¼ö ÀÖÀ» °Í °°½À´Ï´Ù.
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2020-04-15 |
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hongd** |
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2020-04-15 |
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ºÐ¸ð, ºÐÀÚ¸¦ ³ª´¶§¿¡´Â ¿µÀÎ °ÍÀ¸·Î ³ª´©¸é ¾ÈµË´Ï´Ù.
±×·¡¼ x°¡ 2°¡¾Æ´Ï¶ó´Â º¸ÀåÀÌ ÀÖ¾î¾ß x-2¸¦ ºÐ¸ðºÐÀÚ ³ª´¼ö ÀÖ½À´Ï´Ù. ±×·¡¼ ¾àºÐÇÏ¸é ¾ÊµË´Ï´Ù.
ºÐ¸ð°¡ ¿µÀÌ ÀÖÀ¸¸é ºÒ¿¬¼ÓÀÔ´Ï´Ù. ÇÔ¼öÀÇ °ªÀÌ Á¸ÀçÇÏÁö ¾Ê¾Æ¼¿ä. |
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3019 |
p.414 25¹ø Áú¹®ÀÌ¿ä. |
niko** |
2020-04-09 |
±ÛÁ¦¸ñ |
p.414 25¹ø Áú¹®ÀÌ¿ä. |
ÀÛ¼ºÀÚ |
niko** |
µî·ÏÀÏ |
2020-04-09 |
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r^2 = 4cos2(½êŸ) ±×·¡ÇÁ ±×¸± ‹š
½êŸ°¡ ÆÄÀÌ/3ÀÎ °æ¿ì À½¼ö°¡ ³ª¿À´Âµ¥ r^2ÀÌ À½¼öÀÏ ¼ö´Â ¾øÀ¸´Ï±î ¹«½ÃÇÏ°í ³ª¸ÓÁö °æ¿ì¸¸ µûÁ®¼ ±×·¡ÇÁ ±×·ÁÁÖ¸é µÇ´Â °ÍÀΰ¡¿ä?? ÀÌ ±Ø°î¼±À» ±×¸®´Â ¹æ¹ýÀ» Àß ¸ð¸£°Ú¾î¿ä. |
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2020-04-15 |
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2020-04-15 |
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2020-04-08 |
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2020-04-08 |
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2020-04-09 |
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2020-04-08 |
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2020-04-08 |
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2020-04-09 |
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2020-04-06 |
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2020-04-06 |
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