{"id":982,"date":"2024-03-20T14:45:20","date_gmt":"2024-03-20T06:45:20","guid":{"rendered":"http:\/\/ceshi.cn\/?p=982"},"modified":"2024-03-20T14:45:20","modified_gmt":"2024-03-20T06:45:20","slug":"paowuxjdx12","status":"publish","type":"post","link":"http:\/\/jhwk.online\/?p=982","title":{"rendered":"\u629b\u7269\u7ebf\u7684\u7126\u70b9\u5f26\u6027\u8d28"},"content":{"rendered":"\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-ede5a0c\" data-block-id=\"ede5a0c\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u629b\u7269\u7ebf\u7684\u7126\u70b9\u5f26\u6027\u8d281-4<\/h4>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6a21\u578b\u6761\u4ef6\uff1a\u5982\u56fe\uff0c\ud835\udc34\ud835\udc35\u4e3a\u629b\u7269\u7ebf\ud835\udc66^2=2\ud835\udc5d\ud835\udc65(\ud835\udc5d&gt;0)\u7684\u7126\u70b9\u5f26,\ud835\udc59\u4e3a\u51c6\u7ebf\uff0c\ud835\udc34\ud835\udc34'\u27c2\ud835\udc59\uff0c\ud835\udc35\ud835\udc35'\u27c2\ud835\udc59,\\\\\ud835\udc34\ud835\udc40\u27c2\ud835\udc65\u8f74\uff0c\ud835\udc35\ud835\udc41\u27c2\ud835\udc65\u8f74,\u5750\u6807\ud835\udc34(\ud835\udc65_1,\ud835\udc66_1),\ud835\udc35(\ud835\udc65_2,\ud835\udc66_2),\ud835\udc39(\\frac{\ud835\udc5d}{2},0)\uff0c\ud835\udc34\ud835\udc35\u7684\u503e\u659c\u89d2\u4e3a\u03b8.\\quad\\quad\\quad\\quad<\/pre><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d281.&nbsp;&nbsp;|\ud835\udc34\ud835\udc35|=\ud835\udc65_1+\ud835\udc65_2+\ud835\udc5d\\quad\\quad\\quad\\quad\\quad\\quad\\\\<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d282.&nbsp;&nbsp;\ud835\udc65_1\u00b7\ud835\udc65_2=\\frac{\ud835\udc5d^2}{4};\ud835\udc66_1\u00b7\ud835\udc66_2=-\ud835\udc5d^2\\quad\\quad\\quad\\quad<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d283.&nbsp;&nbsp;|\ud835\udc34\ud835\udc39|=\\frac{\ud835\udc5d}{1-cos\u03b8};|\ud835\udc35\ud835\udc39|=\\frac{\ud835\udc5d}{1+cos\u03b8}\\\\\\\\<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d284.&nbsp;&nbsp;\\frac{1}{|\ud835\udc34\ud835\udc39|}+\\frac{1}{|\ud835\udc35\ud835\udc39|}=2\ud835\udc5d;|\ud835\udc34\ud835\udc35|=\\frac{2\ud835\udc5d}{sin2\u03b8}<\/pre><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d281-4.png\" alt=\"\" class=\"wp-image-1192\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-80cecec\" data-block-id=\"80cecec\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-6c25a45\" data-block-id=\"6c25a45\"><style>.stk-6c25a45 .stk-button{background:var(--theme-palette-color-1,#EC6A2B) !important;border-top-left-radius:11px !important;border-top-right-radius:11px !important;border-bottom-right-radius:11px !important;border-bottom-left-radius:11px !important}.stk-6c25a45 .stk-button:before{box-shadow:0 0 0 2px rgba(120,120,120,0.1) !important}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"\/fabu\/%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E7%84%A6%E7%82%B9%E5%BC%A6%E6%80%A7%E8%B4%A81-4\/HTML5\/practice.html\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">\u89c2\u770b\u5fae\u8bfe<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u629b\u7269\u7ebf\u7684\u7126\u70b9\u5f26\u6027\u8d285-7<\/h4>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6a21\u578b\u6761\u4ef6\uff1a\u5982\u56fe\uff0c\ud835\udc34\ud835\udc35\u4e3a\u629b\u7269\u7ebf\ud835\udc66^2=2\ud835\udc5d\ud835\udc65(\ud835\udc5d&gt;0)\u7684\u7126\u70b9\u5f26,\ud835\udc59\u4e3a\u51c6\u7ebf\uff0c\ud835\udc34\ud835\udc34'\u27c2\ud835\udc59\uff0c\ud835\udc35\ud835\udc35'\u27c2\ud835\udc59,\\\\\u5750\u6807\ud835\udc34(\ud835\udc65_1,\ud835\udc66_1),\ud835\udc35(\ud835\udc65_2,\ud835\udc66_2),\ud835\udc39(\\frac{\ud835\udc5d}{2},0)\uff0c\ud835\udc34\ud835\udc35\u7684\u503e\u659c\u89d2\u4e3a\u03b8.\ud835\udc40,\ud835\udc41\u5206\u522b\u662f\ud835\udc34\ud835\udc35,\ud835\udc34'\ud835\udc35'\u4e2d\u70b9\uff0c\ud835\udc40\ud835\udc41\\\\\u4ea4\u629b\u7269\u7ebf\u4e8e\ud835\udc45\u3002\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\n<\/pre><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d285.\ud835\udc46_{\u2206\ud835\udc34\ud835\udc42\ud835\udc35}=\ud835\udc46_{\u2206\ud835\udc34'\ud835\udc42\ud835\udc35'}=\\frac{\ud835\udc5d^2}{2sin\u03b8}\\quad\\quad\\quad<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d286.|\ud835\udc41\ud835\udc45|=|\ud835\udc40\ud835\udc45|\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d287.|\ud835\udc45\ud835\udc39|=\\frac{1}{2}|\ud835\udc40\ud835\udc41|\\quad\\quad\\quad\\quad\\quad\\quad\\quad<\/pre><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d285-7-1.png\" alt=\"\" class=\"wp-image-1196\" style=\"width:194px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d285-7.png\" alt=\"\" class=\"wp-image-1197\" style=\"width:211px;height:auto\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-ad86208\" data-block-id=\"ad86208\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-27a8070\" data-block-id=\"27a8070\"><style>.stk-27a8070 .stk-button{background:var(--theme-palette-color-1,#EC6A2B) !important;border-top-left-radius:11px !important;border-top-right-radius:11px !important;border-bottom-right-radius:11px !important;border-bottom-left-radius:11px !important}.stk-27a8070 .stk-button:before{box-shadow:0 0 0 2px rgba(120,120,120,0.1) !important}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"\/fabu\/%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E7%84%A6%E7%82%B9%E5%BC%A6%E6%80%A7%E8%B4%A85-7\/HTML5\/practice.html\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">\u89c2\u770b\u5fae\u8bfe<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u629b\u7269\u7ebf\u7684\u7126\u70b9\u5f26\u6027\u8d288-10<\/h4>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6a21\u578b\u6761\u4ef6\uff1a\u5982\u56fe\uff0c\ud835\udc34\ud835\udc35\u4e3a\u629b\u7269\u7ebf\ud835\udc66^2=2\ud835\udc5d\ud835\udc65(\ud835\udc5d&gt;0)\u7684\u7126\u70b9\u5f26,\ud835\udc59\u4e3a\u51c6\u7ebf\uff0c\ud835\udc34\ud835\udc34'\u27c2\ud835\udc59\uff0c\ud835\udc35\ud835\udc35'\u27c2\ud835\udc59,\\\\\u5750\u6807\ud835\udc34(\ud835\udc65_1,\ud835\udc66_1),\ud835\udc35(\ud835\udc65_2,\ud835\udc66_2),\ud835\udc39(\\frac{\ud835\udc5d}{2},0)\uff0c\ud835\udc34\ud835\udc35\u7684\u503e\u659c\u89d2\u4e3a\u03b8.\ud835\udc40,\ud835\udc41\u5206\u522b\u662f\ud835\udc34\ud835\udc35,\ud835\udc34'\ud835\udc35'\u4e2d\u70b9.\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\n<\/pre><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d288.\ud835\udc34\ud835\udc41\u27c2\ud835\udc35\ud835\udc41;\ud835\udc34'\ud835\udc39\u27c2\ud835\udc35'\ud835\udc39;\ud835\udc41\ud835\udc39\u27c2\ud835\udc34\ud835\udc35<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d289.\ud835\udc3e\ud835\udc39\u5e73\u5206\u2220\ud835\udc34\ud835\udc3e\ud835\udc35\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d2810.\ud835\udc34'\ud835\udc39\u5e73\u5206\u2220\ud835\udc34\ud835\udc39\ud835\udc3e;\ud835\udc35'\ud835\udc39\u5e73\u5206\u2220\ud835\udc35\ud835\udc39\ud835\udc3e<\/pre><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d288-10-1.png\" alt=\"\" class=\"wp-image-1188\" style=\"width:194px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d288-10-2.png\" alt=\"\" class=\"wp-image-1189\" style=\"width:211px;height:auto\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-2942fc7\" data-block-id=\"2942fc7\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-8e4cc8c\" data-block-id=\"8e4cc8c\"><style>.stk-8e4cc8c .stk-button{background:var(--theme-palette-color-1,#EC6A2B) !important;border-top-left-radius:11px !important;border-top-right-radius:11px !important;border-bottom-right-radius:11px !important;border-bottom-left-radius:11px !important}.stk-8e4cc8c .stk-button:before{box-shadow:0 0 0 2px rgba(120,120,120,0.1) !important}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"\/fabu\/%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E7%84%A6%E7%82%B9%E5%BC%A6%E6%80%A7%E8%B4%A88-10\/HTML5\/practice.html\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">\u89c2\u770b\u5fae\u8bfe<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u629b\u7269\u7ebf\u7684\u7126\u70b9\u5f26\u6027\u8d2811<\/h4>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6a21\u578b\u6761\u4ef6\uff1a\u5982\u56fe\uff0c\ud835\udc34\ud835\udc35\u4e3a\u629b\u7269\u7ebf\ud835\udc66^2=2\ud835\udc5d\ud835\udc65(\ud835\udc5d&gt;0)\u7684\u7126\u70b9\u5f26,\ud835\udc59\u4e3a\u51c6\u7ebf\uff0c\ud835\udc34\ud835\udc34'\u27c2\ud835\udc59\uff0c\ud835\udc35\ud835\udc35'\u27c2\ud835\udc59,\\\\\u5750\u6807\ud835\udc34(\ud835\udc65_1,\ud835\udc66_1),\ud835\udc35(\ud835\udc65_2,\ud835\udc66_2),\ud835\udc39(\\frac{\ud835\udc5d}{2},0)\uff0c\ud835\udc34\ud835\udc35\u7684\u503e\u659c\u89d2\u4e3a\u03b8.\ud835\udc40,\ud835\udc41\u5206\u522b\u662f\ud835\udc34\ud835\udc35,\ud835\udc34'\ud835\udc35'\u4e2d\u70b9.\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\\quad\n<\/pre><\/div>\n\n\n\n<div class=\"wp-block-katex-display-block katex-eq\" data-katex-display=\"true\"><pre>\u6027\u8d2811.\u56db\u4e2a\u76f8\u5207\u5706.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<\/pre><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d2811-1.png\" alt=\"\" class=\"wp-image-1181\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d2811-2.png\" alt=\"\" class=\"wp-image-1182\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d2811-3.png\" alt=\"\" class=\"wp-image-1183\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d2811-4.png\" alt=\"\" class=\"wp-image-1184\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-8e1a276\" data-block-id=\"8e1a276\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-6eddb7d\" data-block-id=\"6eddb7d\"><style>.stk-6eddb7d .stk-button{background:var(--theme-palette-color-1,#EC6A2B) !important;border-top-left-radius:11px !important;border-top-right-radius:11px !important;border-bottom-right-radius:11px !important;border-bottom-left-radius:11px !important}.stk-6eddb7d .stk-button:before{box-shadow:0 0 0 2px rgba(120,120,120,0.1) !important}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"\/fabu\/%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E7%84%A6%E7%82%B9%E5%BC%A6%E6%80%A7%E8%B4%A811\/HTML5\/practice.html\"><span class=\"stk-button__inner-text\">\u89c2\u770b\u5fae\u8bfe<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-e075f3c\" data-block-id=\"e075f3c\"><div class=\"stk-row stk-inner-blocks stk-block-content 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is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/jiaohuweike.online\/wp-content\/uploads\/2024\/03\/\u629b\u7269\u7ebf\u7126\u70b9\u5f26\u6027\u8d2812.png\" alt=\"\" class=\"wp-image-1179\" style=\"width:203px;height:auto\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-spacer stk-block-spacer stk--no-padding stk-block stk-702fa3e\" data-block-id=\"702fa3e\"><style>.stk-702fa3e{height:30px !important}<\/style><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-587bb37\" data-block-id=\"587bb37\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-dd408ef\" data-block-id=\"dd408ef\"><style>.stk-dd408ef 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