{"id":4842,"date":"2025-11-23T15:54:31","date_gmt":"2025-11-23T07:54:31","guid":{"rendered":"http:\/\/jhwk.online\/?p=4842"},"modified":"2025-11-23T15:58:54","modified_gmt":"2025-11-23T07:58:54","slug":"%e4%b8%89%e8%a7%92%e5%87%bd%e6%95%b0%e9%a2%984-2-2-2-2","status":"publish","type":"post","link":"http:\/\/jhwk.online\/?p=4842","title":{"rendered":"\u51fd\u6570\u53ca\u6027\u8d281"},"content":{"rendered":"\n<div class=\"wp-block-stackable-subtitle stk-block-subtitle stk-block stk-8afe3d6\" data-block-id=\"8afe3d6\"><style>.stk-8afe3d6 .stk-block-subtitle__text{color:#0693e3 !important;}<\/style><p class=\"stk-block-subtitle__text stk-subtitle has-text-color\">\u672c\u9898\u75312023\u7ea725\u73ed\u9ad8\u6893\u4fa8\u8bb2\u89e3\uff01<\/p><\/div>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1102\" style=\"aspect-ratio: 1958 \/ 1102;\" width=\"1958\" controls src=\"http:\/\/jhwk.online\/wp-content\/uploads\/2025\/11\/\u51fd\u6570\u53ca\u6027\u8d281.mp4\"><\/video><\/figure>\n\n\n\n<p>[ratemypost]<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-vivid-cyan-blue-color has-alpha-channel-opacity has-vivid-cyan-blue-background-color has-background is-style-wide\"\/>\n\n\n\n<h5 class=\"wp-block-heading has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-8a052dbd5caa870510f1e594e9e095cf\">\u9898\u76ee\u5c55\u793a\u2014\u2014\u5148\u63a2\u7a76\u3001\u518d\u542c\u8bb2<\/h5>\n\n\n\n\u5df2\u77e5\u5b9a\u4e49\u5728 \\(R\\) \u4e0a\u7684\u51fd\u6570 \\(f(x)\\) \u6ee1\u8db3\u5bf9 \\(\\forall x_1, x_2 \\in R\\)\uff0c\\(x_1 \\neq x_2\\)\uff0c\u90fd\u6709 \\(\\displaystyle \\frac{f(x_2) &#8211; 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