{"id":1773,"date":"2014-01-08T00:17:36","date_gmt":"2014-01-08T08:17:36","guid":{"rendered":"http:\/\/wukan.me\/?p=1773"},"modified":"2014-01-08T00:17:36","modified_gmt":"2014-01-08T08:17:36","slug":"khan-academy-the-housing-price-conundrum-%e8%af%be%e7%a8%8b%e7%ac%94%e8%ae%b0-part-i","status":"publish","type":"post","link":"https:\/\/wukan.me\/?p=1773","title":{"rendered":"Khan Academy – The housing price conundrum \u8bfe\u7a0b\u7b14\u8bb0 Part I"},"content":{"rendered":"

\u6700\u8fd1\u5728\u89c2\u770b Khan Academy<\/a> \u4e0a\u5173\u4e8e\u91d1\u878d\u77e5\u8bc6\u7684\u7cfb\u5217\u8bfe\u7a0b\uff0c\u4eca\u665a\u5b66\u4e60\u7684\u89c6\u9891\u5185\u5bb9\u662f Sal Khan \u5206\u6790\u4e86 2000-2006 \u5e74\u4e4b\u95f4\u7f8e\u56fd\u7684\u5e73\u5747\u623f\u4ef7\u75af\u6da8\u7684\u539f\u56e0\u3002
\n\u5148\u4ecb\u7ecd\u80cc\u666f\uff0c\u8bfe\u7a0b\u4ee5 00 \u5e74\u623f\u4ef7\u4f5c\u4e3a\u57fa\u51c6\u70b9\u8fdb\u884c\u5206\u6790\uff0c00-06 \u5e74\u4e4b\u95f4\u7f8e\u56fd\u5168\u56fd\u623f\u4ef7\u4e0d\u65ad\u5f80\u4e0a\u6da8\uff0c04 \u5e74\u7684\u65f6\u5019\u76f8\u5bf9\u4e8e 00 \u5e74\u7684\u623f\u4ef7\u4e0a\u6da8\u4e8646%\uff0c06 \u5e74\u9876\u5cf0\u7684\u65f6\u5019\u76f8\u5bf9\u4e8e 00 \u5e74\u5219\u662f\u4e0a\u6da8\u4e86 88%\u3002\u7f8e\u56fd\u5386\u53f2\u4e0a\u623f\u4ef7\u4ece\u6ca1\u6709\u5982\u6b64\u75af\u6da8\u8fc7\uff0c6 \u5e74\u7684\u65f6\u95f4\u51e0\u4e4e\u7ffb\u4e86\u4e00\u756a\uff0c\u5219\u5176\u4e2d\u4e00\u5b9a\u53d1\u751f\u4e86\u4ec0\u4e48\u3002
\n\u7ecf\u6d4e\u5b66\u6700\u57fa\u672c\u7684\u539f\u7406 – \u4ef7\u683c\u53d6\u51b3\u4e8e\u4f9b\u6c42\u5173\u7cfb\u3002\u6839\u636e\u8fd9\u4e2a\u7406\u8bba\uff0c\u5bf9\u623f\u5b50\u9700\u6c42\u7684\u589e\u957f\u4e00\u5b9a\u662f\u8fdc\u5927\u4e8e\u4f9b\u5e94\u7684\u589e\u957f\u624d\u4f1a\u9020\u6210\u623f\u4ef7\u7684\u75af\u72c2\u589e\u957f\u3002\u5728\u8fd9\u91cc\u9700\u6c42\u53d6\u51b3\u4e8e\u4e24\u4e2a\u4e3b\u8981\u56e0\u7d20\uff1a\u4eba\u53e3\u548c\u4eba\u4eec\u7684\u5e73\u5747\u6536\u5165\uff0c\u800c\u4f9b\u6c42\u5219\u53d6\u51b3\u4e8e\u6bcf\u5e74\u65b0\u5efa\u7684\u4f4f\u5b85\u3002\u4f46\u662f\u6839\u636e\u7ebd\u7ea6\u65f6\u62a5\u7684\u8c03\u67e5\uff0c00 \u5e74\u5230 04 \u5e74\u7684\u65f6\u95f4\u91cc\u5176\u5b9e\u4eba\u4eec\u7684\u5e73\u5747\u6536\u5165\u662f\u4e0b\u964d\u7684\uff08-3%\uff09\uff0c\u867d\u7136\u4eba\u53e3\u7565\u5fae\u589e\u957f\uff081.5%\uff09\uff0c\u6240\u4ee5\u7efc\u5408\u4e0b\u6765\u603b\u4f53\u6536\u5165\u662f\u7565\u5fae\u4e0b\u964d\u7684\uff08-1.4%\uff09\u3002\u63a5\u7740\u6211\u4eec\u770b\u770b\u4f9b\u5e94\u65b9\uff0c\u6570\u636e\u663e\u793a 00-04 \u5e74\u95f4\u65b0\u5efa\u7684\u623f\u5b50\u589e\u957f\u4e86 6%\u3002\u57fa\u4e8e\u6536\u5165\u4e0b\u964d\u4e86 -1.4%\uff0c\u65b0\u76d6\u623f\u5b50\u589e\u52a0 6% \u7684\u6761\u4ef6\u4e0b\uff0c\u623f\u4ef7\u56db\u5e74\u4e4b\u95f4\u5374\u589e\u957f\u4e86 46%\uff0c\u6240\u4ee5\u4ece\u8868\u9762\u7684\u4f9b\u6c42\u89d2\u5ea6\u6765\u89e3\u91ca\u623f\u4ef7\u7684\u75af\u72c2\u589e\u957f\uff0c\u662f\u4e0d\u5408\u7406\u7684\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4ece\u522b\u7684\u89d2\u5ea6\u6765\u5206\u6790\u8fd9\u4e2a\u73b0\u8c61\u3002
\n\u5728\u89e3\u91ca\u623f\u4ef7\u75af\u6da8\u7684\u539f\u56e0\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u4e86\u89e3\u4e00\u4e0b\u300c\u4f20\u7edf\u300d\u7684\u8d37\u6b3e\u4e70\u623f\u7684\u65b9\u5f0f\u3002\u5047\u8bbe 70 \u5e74\u4ee3\u7684\u65f6\u5019\uff0c\u4eba\u4eec\u60f3\u8981\u8d37\u6b3e\u4e70\u4e0b\u4e00\u680b\u4ef7\u503c $60,000 \u7684\u623f\u5b50\uff0c\u9700\u8981\u7f34\u7eb3 25% \u7684\u9996\u4ed8\uff08$15,000\uff09\uff0c\u9700\u8981\u63d0\u4f9b\u7a33\u5b9a\u6536\u5165\u7684\u8bc1\u660e\uff0c\u5e76\u4e14\u9700\u8981\u62e5\u6709\u4e0d\u9519\u7684\u4fe1\u7528\u8bb0\u5f55\u3002\u8fd9\u6837\u7684\u65b9\u5f0f\u6301\u7eed\u4e86\u5f88\u591a\u5e74\uff0c\u76f4\u5230 2000 \u5e74\uff0c\u501f\u8d37\u7684\u4eba\u5f00\u59cb\u964d\u4f4e\u4e86\u5bf9\u8d37\u6b3e\u4eba\u7684\u4fe1\u7528\u6807\u51c6\u3002\u6253\u4e2a\u6bd4\u65b9\uff0c01 \u5e74\u7684\u65f6\u5019\u8d37\u6b3e\u4e70\u623f\u7684\u4eba\u53ef\u80fd\u53ea\u9700\u8981 10% \u7684\u9996\u4ed8\u548c 600 \u5206\u7684\u4fe1\u7528\u3002\u6240\u4ee5\u4e4b\u524d $60,000 \u7684\u623f\u5b50\u73b0\u5728\u53ea\u9700\u8981\u652f\u4ed8 $6,000 \u5c31\u53ef\u4ee5\u4e70\u4e0b\u4e86\u3002\u53c8\u56e0\u4e3a\u5f53\u65f6\u79df\u623f\u5e02\u573a\u9700\u8981\u652f\u4ed8\u7684\u623f\u79df\u8fdc\u9ad8\u4e8e\u4e70\u623f\u6240\u9700\u8981\u8fd8\u7684\u5229\u606f\uff08\u5173\u4e8e\u79df\u623f vs \u4e70\u623f\u7684\u8ba8\u8bba\uff0c\u8bf7\u53c2\u89c1 Khan Academy<\/a> \u53e6\u5916\u4e00\u4e2a\u7cfb\u5217\u8bfe\u7a0b\uff09\uff0c\u4e8e\u662f\u5f53\u9996\u4ed8\uff0c\u4e5f\u5c31\u662f\u4e70\u623f\u95e8\u69db\u964d\u4f4e\u4e4b\u540e\uff0c\u4e70\u623f\u7684\u4eba\u6570\u91cf\u5c31\u4e0a\u6765\u4e86\u3002\u5230\u4e86 03 \u5e74\u7684\u65f6\u5019\uff0c\u4eba\u4eec\u751a\u81f3\u4e0d\u9700\u8981\u4ed8\u9996\u4ed8\u5c31\u53ef\u4ee5\u8d37\u6b3e\u4e70\u623f\uff0c\u5bf9\u4e70\u623f\u4eba\u7684\u6536\u5165\u80cc\u666f\u548c\u4fe1\u7528\u8c03\u67e5\u4e5f\u653e\u677e\u4e86\u5f88\u591a\uff0c\u6240\u4ee5\u5728\u4eba\u53e3\u6570\u91cf\u6ca1\u6709\u5927\u91cf\u589e\u957f\uff0c\u603b\u6536\u5165\u53cd\u800c\u6709\u4e9b\u4e0b\u964d\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8d37\u5230\u6b3e\u4e70\u623f\u7684\u4eba\u7a81\u7136\u591a\u4e86\u8bb8\u591a\u3002\u751a\u81f3\u5230\u4e86 04\/05 \u5e74\uff0c\u60c5\u51b5\u8fdb\u4e00\u6b65\u6076\u5316\uff0c\u4e0d\u4ec5\u4ec5\u4e0d\u9700\u8981\u9996\u4ed8\uff0c\u4f60\u751a\u81f3\u53ef\u4ee5\u6b3a\u9a97\u94f6\u884c\u8bf4\u4f60\u6709\u4e00\u4efd\u7a33\u5b9a\u7684\u5de5\u4f5c\uff0c\u5c31\u53ef\u4ee5\u8d37\u5230\u6b3e\u4e70\u623f\u3002\u4fe1\u7528\u7684\u8c03\u67e5\u8d8a\u6765\u8d8a\u5bb9\u6613\uff0c\u5728\u52a0\u5dde\u548c\u4f5b\u7f57\u91cc\u8fbe\uff0c\u6709\u7684\u5916\u6765\u6c11\u5de5\u53ef\u80fd\u5728\u5e74\u6536\u5165 $40,000 \u7684\u60c5\u51b5\u4e0b\u5c31\u6562\u8d37\u6b3e\u8d2d\u4e70\u4ef7\u503c $1,000,000 \u7684\u623f\u5b50\u3002\u4e8e\u662f\u4e4e\uff0c\u6211\u4eec\u73b0\u5728\u9700\u8981\u89e3\u91ca\u7684\u95ee\u9898\u5c31\u662f\u4e3a\u4ec0\u4e48\u8fd9\u4e9b\u94f6\u884c\uff0c\u6216\u8005\u503a\u4e3b\uff0c\u613f\u610f\u628a\u94b1\u501f\u7ed9\u8fd9\u4e9b\u5f88\u53ef\u80fd\u6ca1\u6cd5\u628a\u94b1\u8fd8\u6e05\u7684\u8d37\u6b3e\u8005\uff0c\u53bb\u4e70\u4e00\u4e2a\u4ef7\u683c\u5982\u6b64\u865a\u9ad8\u7684\u623f\u5b50\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6700\u8fd1\u5728\u89c2\u770b Khan Academy \u4e0a\u5173\u4e8e\u91d1\u878d\u77e5\u8bc6\u7684\u7cfb\u5217\u8bfe\u7a0b\uff0c\u4eca\u665a\u5b66\u4e60\u7684\u89c6\u9891\u5185\u5bb9\u662f Sal Khan \u5206\u6790\u4e86 2000-2006 \u5e74\u4e4b\u95f4\u7f8e\u56fd\u7684\u5e73\u5747\u623f\u4ef7\u75af\u6da8\u7684\u539f\u56e0\u3002 \u5148\u4ecb\u7ecd\u80cc\u666f\uff0c\u8bfe\u7a0b\u4ee5 00 \u5e74\u623f\u4ef7\u4f5c\u4e3a\u57fa\u51c6\u70b9\u8fdb\u884c\u5206\u6790\uff0c00-06 \u5e74\u4e4b\u95f4\u7f8e\u56fd\u5168\u56fd\u623f\u4ef7\u4e0d\u65ad\u5f80\u4e0a\u6da8\uff0c04 \u5e74\u7684\u65f6\u5019\u76f8\u5bf9\u4e8e 00 \u5e74\u7684\u623f\u4ef7\u4e0a\u6da8\u4e8646%\uff0c06 \u5e74\u9876\u5cf0\u7684\u65f6\u5019\u76f8\u5bf9\u4e8e 00 \u5e74\u5219\u662f\u4e0a\u6da8\u4e86 88%\u3002\u7f8e\u56fd\u5386\u53f2\u4e0a\u623f\u4ef7\u4ece\u6ca1\u6709\u5982\u6b64\u75af\u6da8\u8fc7\uff0c6 \u5e74\u7684\u65f6\u95f4\u51e0\u4e4e\u7ffb\u4e86\u4e00\u756a\uff0c\u5219\u5176\u4e2d\u4e00\u5b9a\u53d1\u751f\u4e86\u4ec0\u4e48\u3002 \u7ecf\u6d4e\u5b66\u6700\u57fa\u672c\u7684\u539f\u7406 – \u4ef7\u683c\u53d6\u51b3\u4e8e\u4f9b\u6c42\u5173\u7cfb\u3002\u6839\u636e\u8fd9\u4e2a\u7406\u8bba\uff0c\u5bf9\u623f\u5b50\u9700\u6c42\u7684\u589e\u957f\u4e00\u5b9a\u662f\u8fdc\u5927\u4e8e\u4f9b\u5e94\u7684\u589e\u957f\u624d\u4f1a\u9020\u6210\u623f\u4ef7\u7684\u75af\u72c2\u589e\u957f\u3002\u5728\u8fd9\u91cc\u9700\u6c42\u53d6\u51b3\u4e8e\u4e24\u4e2a\u4e3b\u8981\u56e0\u7d20\uff1a\u4eba\u53e3\u548c\u4eba\u4eec\u7684\u5e73\u5747\u6536\u5165\uff0c\u800c\u4f9b\u6c42\u5219\u53d6\u51b3\u4e8e\u6bcf\u5e74\u65b0\u5efa\u7684\u4f4f\u5b85\u3002\u4f46\u662f\u6839\u636e\u7ebd\u7ea6\u65f6\u62a5\u7684\u8c03\u67e5\uff0c00 \u5e74\u5230 04 \u5e74\u7684\u65f6\u95f4\u91cc\u5176\u5b9e\u4eba\u4eec\u7684\u5e73\u5747\u6536\u5165\u662f\u4e0b\u964d\u7684\uff08-3%\uff09\uff0c\u867d\u7136\u4eba\u53e3\u7565\u5fae\u589e\u957f\uff081.5%\uff09\uff0c\u6240\u4ee5\u7efc\u5408\u4e0b\u6765\u603b\u4f53\u6536\u5165\u662f\u7565\u5fae\u4e0b\u964d\u7684\uff08-1.4%\uff09\u3002\u63a5\u7740\u6211\u4eec\u770b\u770b\u4f9b\u5e94\u65b9\uff0c\u6570\u636e\u663e\u793a 00-04 \u5e74\u95f4\u65b0\u5efa\u7684\u623f\u5b50\u589e\u957f\u4e86 6%\u3002\u57fa\u4e8e\u6536\u5165\u4e0b\u964d\u4e86 -1.4%\uff0c\u65b0\u76d6\u623f\u5b50\u589e\u52a0 6% \u7684\u6761\u4ef6\u4e0b\uff0c\u623f\u4ef7\u56db\u5e74\u4e4b\u95f4\u5374\u589e\u957f\u4e86 46%\uff0c\u6240\u4ee5\u4ece\u8868\u9762\u7684\u4f9b\u6c42\u89d2\u5ea6\u6765\u89e3\u91ca\u623f\u4ef7\u7684\u75af\u72c2\u589e\u957f\uff0c\u662f\u4e0d\u5408\u7406\u7684\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4ece\u522b\u7684\u89d2\u5ea6\u6765\u5206\u6790\u8fd9\u4e2a\u73b0\u8c61\u3002 \u5728\u89e3\u91ca\u623f\u4ef7\u75af\u6da8\u7684\u539f\u56e0\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u4e86\u89e3\u4e00\u4e0b\u300c\u4f20\u7edf\u300d\u7684\u8d37\u6b3e\u4e70\u623f\u7684\u65b9\u5f0f\u3002\u5047\u8bbe 70 \u5e74\u4ee3\u7684\u65f6\u5019\uff0c\u4eba\u4eec\u60f3\u8981\u8d37\u6b3e\u4e70\u4e0b\u4e00\u680b\u4ef7\u503c $60,000 \u7684\u623f\u5b50\uff0c\u9700\u8981\u7f34\u7eb3 25% \u7684\u9996\u4ed8\uff08$15,000\uff09\uff0c\u9700\u8981\u63d0\u4f9b\u7a33\u5b9a\u6536\u5165\u7684\u8bc1\u660e\uff0c\u5e76\u4e14\u9700\u8981\u62e5\u6709\u4e0d\u9519\u7684\u4fe1\u7528\u8bb0\u5f55\u3002\u8fd9\u6837\u7684\u65b9\u5f0f\u6301\u7eed\u4e86\u5f88\u591a\u5e74\uff0c\u76f4\u5230 2000 \u5e74\uff0c\u501f\u8d37\u7684\u4eba\u5f00\u59cb\u964d\u4f4e\u4e86\u5bf9\u8d37\u6b3e\u4eba\u7684\u4fe1\u7528\u6807\u51c6\u3002\u6253\u4e2a\u6bd4\u65b9\uff0c01 \u5e74\u7684\u65f6\u5019\u8d37\u6b3e\u4e70\u623f\u7684\u4eba\u53ef\u80fd\u53ea\u9700\u8981 10% \u7684\u9996\u4ed8\u548c 600 \u5206\u7684\u4fe1\u7528\u3002\u6240\u4ee5\u4e4b\u524d $60,000 \u7684\u623f\u5b50\u73b0\u5728\u53ea\u9700\u8981\u652f\u4ed8 $6,000 \u5c31\u53ef\u4ee5\u4e70\u4e0b\u4e86\u3002\u53c8\u56e0\u4e3a\u5f53\u65f6\u79df\u623f\u5e02\u573a\u9700\u8981\u652f\u4ed8\u7684\u623f\u79df\u8fdc\u9ad8\u4e8e\u4e70\u623f\u6240\u9700\u8981\u8fd8\u7684\u5229\u606f\uff08\u5173\u4e8e\u79df\u623f vs \u4e70\u623f\u7684\u8ba8\u8bba\uff0c\u8bf7\u53c2\u89c1 Khan … <\/p>\n

Continue reading “Khan Academy – The housing price conundrum \u8bfe\u7a0b\u7b14\u8bb0 Part I”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1773","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/wukan.me\/index.php?rest_route=\/wp\/v2\/posts\/1773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wukan.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wukan.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wukan.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wukan.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1773"}],"version-history":[{"count":0,"href":"https:\/\/wukan.me\/index.php?rest_route=\/wp\/v2\/posts\/1773\/revisions"}],"wp:attachment":[{"href":"https:\/\/wukan.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wukan.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wukan.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}