{"id":8331,"date":"2009-01-11T07:55:00","date_gmt":"2009-01-11T07:55:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=8331"},"modified":"2009-01-11T07:55:00","modified_gmt":"2009-01-11T07:55:00","slug":"%ec%88%9c%ed%99%98%ec%86%8c%ec%88%98-%ec%9e%90%eb%a6%ac%ec%88%98-%ec%84%b8%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=8331","title":{"rendered":"\uc21c\ud658\uc18c\uc218 \uc790\ub9ac\uc218 \uc138\uae30"},"content":{"rendered":"
\n \uc6d0\ub798 \ubb38\uc81c : index.php?section=problems&id=26<\/p>\n

1\uc744 \uc790\uc5f0\uc218 n\uc73c\ub85c \ub098\ub204\uba74 \uc720\ub9ac\uc218\ub2e4. (\ub2f9\uc5f0\ud788!) \uc608\ub97c \ub4e4\uc5b4…<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 2
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.5\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 3
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.(3)\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 4
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.25\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 5
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.2\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 6
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.1(6)\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 7
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.(142857)\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 8
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.125\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 9
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.(1)\n <\/td>\n<\/tr>\n
\n\"^(\"
\n
\n 1
\n <\/sup>
\n\")\"
\n \/
\n \"_(\"
\n
\n 10
\n <\/sub>
\n\")\"
\n<\/img>
\n<\/img>
\n<\/img>\n<\/td>\n		\n =\n <\/td>\n\n 0.1\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n \uc5ec\uae30\uc11c (6)\uc740 \ubb34\ud55c\ud788 \ubc18\ubcf5\ub428\uc744 \ub73b\ud55c\ub2e4. (142857)\uc740 142857\uc774 \ubb34\ud55c\ud788 \ubc18\ubcf5\ub41c\ub2e4\ub294 \ub73b\uc774\ub2e4.
\n
\n \uac00\ub839, 1\/6\uc740 1\uc790\ub9ac\uc758 \uc21c\ud658 \ub9c8\ub514\ub97c \uac16\uace0 \uc788\ub2e4. 1\/7\uc740 6\uc790\ub9ac\uc758 \uc21c\ud658 \ub9c8\ub514\ub97c \uac16\uace0 \uc788\ub2e4.<\/p>\n

\ubb38\uc81c : 1\ubd80\ud130 1000\uae4c\uc9c0\uc758 \uc790\uc5f0\uc218 \uc911, 1\/d\uac00 \uac00\uc7a5 \uae34 \uc21c\ud658 \ub9c8\ub514\ub97c \uac16\uac8c \ub418\ub294 \uc790\uc5f0\uc218 d\ub97c \ucc3e\uc544\ub77c.<\/p>\n

\uc774 \ubb38\uc81c\ub97c \ud480\uae30 \uc704\ud574\uc11c \uace0\ubbfc\uc744 \ud558\ub294\ub370, \ub3c4\uc800\ud788 \ubc29\ubc95\uc774 \uc548\ubcf4\uc778\ub2e4. \uc9c0\uae08\uae4c\uc9c0 \ud47c 29\uac1c\uc758 \ubb38\uc81c\ub294 \uc5b4\ub5bb\uac8c\ub4e0 (\uc2dc\uac04\uc774 \uc624\ub798 \uac78\ub9ac\ub354\ub77c\ub3c4) \ud480\uae34 \ud588\ub294\ub370, \uc774\uac74 \uc218\uac00 \uc5c6\ub2e4.<\/p>\n

\uc77c\ub2e8 \uc54c\uc544\ub0b8 \uac83 – d\uac00 2\ub098 5\ub9cc\uc744 \uc778\uc218\ub85c \uac16\ub294\ub2e4\uba74 \uadf8\ub0e5 \ub118\uc5b4\uac00\ub3c4 \ub41c\ub2e4. \ud655\uc2e4\ud558\uac8c \uc720\ud55c\uc18c\uc218\ub2c8\uae4c.<\/p>\n

\uace0\ubbfc\ud574\ubcf8 \ubc29\ubc95 1
\n
\n 1\/d=x\ub77c\uace0 \ud558\uc790. x, 10x, 100x, 1000x…\uc774\ub7f0 \uc2dd\uc73c\ub85c 10\uc744 \uacf1\ud574\ub098\uac04\ub2e4. \uadf8\ub9ac\uace0, 10x-x, 100x-x, 1000x-x\ub4f1\ub4f1\uc744 \uacc4\uc0b0\ud574\uc11c \uc815\uc218\ub85c \ub5a8\uc5b4\uc9c0\uba74 \uadf8\ub54c\uae4c\uc9c0 \ubc18\ubcf5\ud55c \ud68c\uc218\ub97c \uc138\uba74 \ub41c\ub2e4
\n
\n \ubb38\uc81c\uc810 – 1\/6\uc744 \ucc98\ub9ac\ud560 \uc218 \uc5c6\ub2e4. -_-;<\/p>\n

\uace0\ubbfc\ud574\ubcf8 \ubc29\ubc95 2
\n
\n \uadf8\ub798\uc11c. 10x-x, 100x-x, …\ub97c \uacc4\uc0b0\ud558\uace0, \uadf8\ub54c\ub9c8\ub2e4 10, 100, 1000…\uc744 \uacf1\ud574\uc11c \uc815\uc218\ub85c \ub5a8\uc5b4\uc9c0\uac8c \ub9cc\ub4e4\uc5b4 \ubcf4\ub824\uace0 \ud588\ub2e4.
\n
\n \ubb38\uc81c\uc810 – \uc5b4\ub290\uc138\uc6d4\uc5d0 \ub05d\ub098\ub098…<\/p>\n

\uace0\ubbfc\ud574\ubcf8 \ubc29\ubc95 3
\n
\n \uc21c\ud658\ub9c8\ub514\uc758 \ud2b9\uc9d5\uc744 \uace0\ucc30\ud574 \ubcf4\uc790.
\n
\n x=0.abcde…(xyz) \uc774\ub7f0 \uc2dd\uc73c\ub85c \ub418\uc5b4 \uc788\ub2e4.
\n
\n \uc5b4\ub9b4 \uc801\uc5d0 \ubc30\uc6b4 \uae30\uc5b5\uc744 \ub418\uc9da\uc5b4 \ubcf8\ub2e4.
\n
\n \uc774\ub7f0 \uac78 \ud480\uae30 \uc704\ud574\uc11c\ub294 x\uc5d0\ub2e4\uac00 \ucd5c\ucd08\uc758 \uc21c\ud658\ub9c8\ub514\uac00 \ub05d\ub098\ub294 \ub370 \uae4c\uc9c0\uc758 \uc790\ub9ac\uc218\ub9cc\ud07c\uc778 10^m\uc744 \uacf1\ud55c \uc22b\uc790\uc5d0\uc11c \ucd5c\ucd08\ub85c \uc21c\ud658\ub9c8\ub514\uac00 \ub098\uc624\ub294 \ub370 \uae4c\uc9c0\uc758 \uc790\ub9ac\uc218\ub9cc\ud07c\uc778 10^n\uc744 \uacf1\ud55c \uc22b\uc790\ub97c \ube80\ub2e4.\uc989 x(10^m-10^n) \uc744 \uacc4\uc0b0\ud55c\ub2e4\uace0 \ub4e4\uc5c8\ub2e4. \uadfc\ub370 \uc5b4\ucc28\ud53c \ub0b4\uac00 \ud544\uc694\ud55c \uc22b\uc790\ub294 m-n\uc544\ub2cc\uac00?
\n
\n !$^$%@#$^@#%&@$%*@%^@#$%…..<\/p>\n

\uaf2c\uc600\ub2e4.<\/p>\n

\ub204\uac00 \ud78c\ud2b8\uc880 \uc8fc\uc138\uc694. -_-;
\n <\/p>\n

\n
\n
\n\"\uc2e0\uace0\"
\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\uc6d0\ub798 \ubb38\uc81c : index.php?section=problems&id=26 1\uc744 \uc790\uc5f0\uc218 n\uc73c\ub85c \ub098\ub204\uba74 \uc720\ub9ac\uc218\ub2e4. (\ub2f9\uc5f0\ud788!) \uc608\ub97c \ub4e4\uc5b4… 1 \/ 2 = 0.5 1 \/ 3 = 0.(3) 1 \/ 4 = 0.25 1 \/ 5 = 0.2 1 \/ 6 = 0.1(6) 1 \/ 7 = 0.(142857) 1 \/ 8 = 0.125 1 \/ 9 = 0.(1) 1 \/ 10 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-8331","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2an","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8331"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8331\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8331"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}