{"id":223,"date":"2025-03-21T01:16:22","date_gmt":"2025-03-20T17:16:22","guid":{"rendered":"https:\/\/tilearn.space\/?p=223"},"modified":"2025-03-21T01:17:38","modified_gmt":"2025-03-20T17:17:38","slug":"2024%e5%b1%8a%e5%ae%9d%e5%b1%b1%e5%8c%ba%e5%88%9d%e4%b8%89%e4%ba%8c%e6%a8%a1%e6%95%b0%e5%ad%a6%e8%af%95%e5%8d%b7%e7%b2%be%e8%ae%b2%ef%bc%88%e7%ac%ac1%e9%a2%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/tilearn.space\/?p=223","title":{"rendered":"2024\u5c4a\u5b9d\u5c71\u533a\u521d\u4e09\u4e8c\u6a21\u6570\u5b66\u8bd5\u5377\u7cbe\u8bb2\uff08\u7b2c1\u9898\uff09"},"content":{"rendered":"<p><strong>\u9898\u76ee\uff1a\u4e8c\u6b21\u6839\u5f0f <span class=\"math\/tex\">\\(\\sqrt{x-1}\\)<\/span> \u6709\u610f\u4e49\uff0c\u5219 \\(x\\) \u7684\u53d6\u503c\u8303\u56f4\u662f\uff08<span class=\"math\/tex\">\u25b2<\/span>\uff09\u3002<\/strong><\/p>\n<p>\u9009\u9879\uff1a<\/p>\n<ul>\n<li>(A) \\(x &gt; 0\\);<\/li>\n<li>(B) \\(x \u2265 0\\);<\/li>\n<li>(C) \\(x &gt; 1\\);<\/li>\n<li>(D) \\(x \u2265 1\\).<\/li>\n<\/ul>\n<p><strong>\u8be6\u7ec6\u8bb2\u89e3\uff1a<\/strong><\/p>\n<p>\u8981\u4f7f\u4e8c\u6b21\u6839\u5f0f <span class=\"math\/tex\">\\(\\sqrt{x-1}\\)<\/span> \u6709\u610f\u4e49\uff0c\u9996\u5148\u9700\u8981\u4fdd\u8bc1\u88ab\u5f00\u65b9\u6570 \\(x-1\\) \u975e\u8d1f\u3002\u8fd9\u662f\u56e0\u4e3a\u6839\u53f7\u4e0b\u7684\u8868\u8fbe\u5f0f\u5fc5\u987b\u662f\u975e\u8d1f\u7684\uff0c\u5426\u5219\u6839\u53f7\u65e0\u610f\u4e49\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u89e3\u4e0d\u7b49\u5f0f\uff1a<\/p>\n<div class=\"formula\"><span class=\"math\/tex\">\\(x &#8211; 1 \u2265 0\\)<\/span><\/div>\n<p>\u89e3\u8fd9\u4e2a\u4e0d\u7b49\u5f0f\u5f97\uff1a<\/p>\n<div class=\"formula\"><span class=\"math\/tex\">\\(x \u2265 1\\)<\/span><\/div>\n<p>\u6240\u4ee5\uff0c\\(x\\) \u7684\u53d6\u503c\u8303\u56f4\u662f \\(x \u2265 1\\)\u3002<\/p>\n<p>\u6b63\u786e\u7b54\u6848\u662f (D) \\(x \u2265 1\\)\u3002<\/p>\n<p><strong>\u76f8\u5173\u77e5\u8bc6\u70b9\u590d\u4e60\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u4e8c\u6b21\u6839\u5f0f\u7684\u5b9a\u4e49\uff1a<\/strong>\u5f62\u5982 <span class=\"math\/tex\">\\(\\sqrt{a}\\)<\/span> \u7684\u8868\u8fbe\u5f0f\u79f0\u4e3a\u4e8c\u6b21\u6839\u5f0f\uff0c\u5176\u4e2d \\(a\\) \u662f\u88ab\u5f00\u65b9\u6570\u3002<\/li>\n<li><strong>\u4e8c\u6b21\u6839\u5f0f\u7684\u6027\u8d28\uff1a<\/strong>\u4e8c\u6b21\u6839\u5f0f <span class=\"math\/tex\">\\(\\sqrt{a}\\)<\/span> \u6709\u610f\u4e49\u7684\u6761\u4ef6\u662f \\(a \u2265 0\\)\u3002<\/li>\n<li><strong>\u89e3\u4e0d\u7b49\u5f0f\uff1a<\/strong>\u89e3\u4e0d\u7b49\u5f0f\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\u79fb\u9879\u3001\u5408\u5e76\u540c\u7c7b\u9879\u3001\u7cfb\u6570\u5316\u4e3a1\u7b49\u3002<\/li>\n<\/ul>\n<p><strong>\u6613\u9519\u9898\u578b\u6216\u6613\u9519\u70b9\u6269\u5c55\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u5904\u7406\u4e8c\u6b21\u6839\u5f0f\u65f6\uff0c\u4e00\u5b9a\u8981\u6ce8\u610f\u88ab\u5f00\u65b9\u6570\u7684\u975e\u8d1f\u6027\uff0c\u8fd9\u662f\u4e8c\u6b21\u6839\u5f0f\u6709\u610f\u4e49\u7684\u524d\u63d0\u6761\u4ef6\u3002<\/li>\n<li>\u89e3\u4e0d\u7b49\u5f0f\u65f6\uff0c\u8981\u6ce8\u610f\u4e0d\u7b49\u5f0f\u7684\u7b26\u53f7\u53d8\u5316\uff0c\u7279\u522b\u662f\u5f53\u4e24\u8fb9\u540c\u65f6\u4e58\u4ee5\u6216\u9664\u4ee5\u4e00\u4e2a\u8d1f\u6570\u65f6\uff0c\u4e0d\u7b49\u53f7\u7684\u65b9\u5411\u4f1a\u53d1\u751f\u6539\u53d8\u3002<\/li>\n<li>\u5728\u9009\u62e9\u9898\u4e2d\uff0c\u4ed4\u7ec6\u9605\u8bfb\u6bcf\u4e2a\u9009\u9879\uff0c\u907f\u514d\u56e0\u7c97\u5fc3\u5927\u610f\u800c\u9009\u9519\u7b54\u6848\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\uff1a\u4e8c\u6b21\u6839\u5f0f \\(\\sqrt{x-1}\\) \u6709\u610f\u4e49\uff0c\u5219 \\(x\\) \u7684\u53d6\u503c\u8303\u56f4\u662f\uff08\u25b2\uff09\u3002 \u9009\u9879\uff1a (A) \\ [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-223","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=223"}],"version-history":[{"count":2,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/223\/revisions"}],"predecessor-version":[{"id":225,"href":"https:\/\/tilearn.space\/index.php?rest_route=\/wp\/v2\/posts\/223\/revisions\/225"}],"wp:attachment":[{"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tilearn.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}