{"id":469,"date":"2024-10-25T14:30:23","date_gmt":"2024-10-25T07:30:23","guid":{"rendered":"https:\/\/sunflower-math.com\/?p=469"},"modified":"2024-10-26T10:29:58","modified_gmt":"2024-10-26T03:29:58","slug":"dien-khuyet","status":"publish","type":"post","link":"https:\/\/sunflower-math.com\/?p=469","title":{"rendered":"\u0111i\u1ec1n khuy\u1ebft"},"content":{"rendered":"\n



B\u00e0i Test \u0110i\u1ec1n Khuy\u1ebft
<\/p>\n\n\n\n\n\n\n \n \n B\u00e0i Test Tr\u1eafc Nghi\u1ec7m<\/title>\n <link rel=\"stylesheet\" type=\"text\/css\" href=\"https:\/\/tikzjax.com\/v1\/fonts.css\">\n <script src=\"https:\/\/tikzjax.com\/v1\/tikzjax.js\"><\/script>\n <link rel=\"stylesheet\" href=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/KaTeX\/0.13.18\/katex.min.css\">\n <script defer src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/KaTeX\/0.13.18\/katex.min.js\"><\/script>\n <script defer src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/KaTeX\/0.13.18\/contrib\/auto-render.min.js\"\n onload=\"renderMathInElement(document.body, {\n delimiters: [\n {left: '<p class=\"ql-center-displayed-equation\" style=\"line-height: 20px;\"><span class=\"ql-right-eqno\">   <\/span><span class=\"ql-left-eqno\">   <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sunflower-math.com\/wp-content\/ql-cache\/quicklatex.com-77baa04537073105b02318b995c7964b_l3.svg\" height=\"20\" width=\"70\" class=\"ql-img-displayed-equation \" alt=\"\[', right: '\]\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>', display: true},\n {left: '$', right: '$', display: false}\n ]\n });\"><\/script>\n <script>\n document.addEventListener(\"DOMContentLoaded\", function() {\n \/\/ Render TikZ diagrams\n tikzjax.render(document.body);\n });\n <\/script> \n <style>\n body {\n font-family: Palatyno;\n line-height: 1.6;\n font-size: 20px;\n }\n h1 {\n font-size: 1em;\n color: #333;\n }\n .question {\n margin-bottom: 10px;\n counter-increment: question;\n }\n .question::before {\n content: \"C\u00e2u \" counter(question) \". \";\n font-weight: bold;\n display: inline;\n }\n h2 {\n font-size: 20px;\n font-weight: normal;\n margin-bottom: 0;\n display: inline;\n }\n .blank-container {\n display: inline-flex;\n align-items: center;\n margin-left: 10px;\n }\n .blank {\n border-bottom: 1px solid #333;\n width: 200px;\n text-align: center;\n }\n #result {\n margin-top: 20px;\n font-weight: bold;\n }\n .preview {\n font-weight: bold;\n margin-left: 10px;\n }\n <\/style>\n<\/head>\n<body>\n\n <h1>\u0110\u1ec0 KI\u1ec2M TRA TR\u1eaeC NHI\u1ec6M NHI\u1ec0U L\u1ef0A CH\u1eccN \u0110\u00daNG<\/h1>\n\n <form id=\"quiz-form\">\n <div class=\"question\">\n <h2>Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai: $ax^2 + bx + c = 0$ c\u00f3 nghi\u1ec7m: \n <span class=\"blank-container\">\n <input type=\"text\" class=\"blank\" data-value=\"x = \\dfrac{-b \\pm \\sqrt{\\Delta}}{2a}\" placeholder=\"\u0110i\u1ec1n v\u00e0o \u0111\u00e2y\" oninput=\"updatePreview(this)\">\n <\/span>\n <span class=\"preview\" id=\"preview-1\"><\/span>\n <\/h2>\n <\/div>\n\n <div class=\"question\">\n <h2>Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai: $ax^2 + bx + c = 0$ c\u00f3 nghi\u1ec7m: \n <span class=\"blank-container\">\n <input type=\"text\" class=\"blank\" data-value=\"x = \\dfrac{-b \\pm \\sqrt{\\Delta}}{2a}\" placeholder=\"\u0110i\u1ec1n v\u00e0o \u0111\u00e2y\" oninput=\"updatePreview(this)\">\n <\/span>\n <span class=\"preview\" id=\"preview-2\"><\/span>\n <\/h2>\n <\/div>\n\n <div class=\"question\">\n <h2>Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai: $ax^2 + bx + c = 0$ c\u00f3 nghi\u1ec7m: \n <span class=\"blank-container\">\n <input type=\"text\" class=\"blank\" data-value=\"x = \\dfrac{-b \\pm \\sqrt{\\Delta}}{2a}\" placeholder=\"\u0110i\u1ec1n v\u00e0o \u0111\u00e2y\" oninput=\"updatePreview(this)\">\n <\/span>\n <span class=\"preview\" id=\"preview-3\"><\/span>\n <\/h2>\n <\/div>\n\n <button type=\"button\" id=\"submit-button\">N\u1ed9p b\u00e0i<\/button>\n <\/form>\n\n <div id=\"result\"><\/div>\n\n <script>\n document.getElementById('submit-button').addEventListener('click', calculateScore);\n\n function updatePreview(input) {\n const previewElement = input.closest('.question').querySelector('.preview');\n const userAnswer = input.value.trim();\n previewElement.innerHTML = userAnswer ? `<p class=\"ql-center-displayed-equation\" style=\"line-height: 14px;\"><span class=\"ql-right-eqno\">   <\/span><span class=\"ql-left-eqno\">   <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sunflower-math.com\/wp-content\/ql-cache\/quicklatex.com-b33f90f17a54db694571edfd9c40f7cc_l3.svg\" height=\"14\" width=\"93\" class=\"ql-img-displayed-equation \" alt=\"\[${userAnswer}\]\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>` : '';\n renderMathInElement(previewElement);\n }\n\n function normalizeLatex(latex) {\n \/\/ Lo\u1ea1i b\u1ecf kho\u1ea3ng tr\u1eafng th\u1eeba\n latex = latex.replace(\/\\s+\/g, ' ').trim(); \/\/ Thay th\u1ebf nhi\u1ec1u kho\u1ea3ng tr\u1eafng b\u1eb1ng m\u1ed9t kho\u1ea3ng tr\u1eafng duy nh\u1ea5t\n \n \/\/ Lo\u1ea1i b\u1ecf kho\u1ea3ng tr\u1eafng trong c\u00e1c ph\u1ea7n t\u1eed c\u1ee5 th\u1ec3\n latex = latex.replace(\/\\\\dfrac{([^}]*)}{([^}]*)}\/g, (match, num, denom) => {\n const normalizedNum = num.replace(\/\\s+\/g, ' ').trim();\n const normalizedDenom = denom.replace(\/\\s+\/g, ' ').trim();\n return `\\\\dfrac{${normalizedNum}}{${normalizedDenom}}`;\n });\n \n \/\/ Thay th\u1ebf c\u00e1c k\u00fd hi\u1ec7u gi\u1ed1ng nhau\n latex = latex.replace(\/\\\\pm\/g, '\u00b1'); \/\/ Thay th\u1ebf \\pm b\u1eb1ng \u00b1\n latex = latex.replace(\/\\\\sqrt{([^}]*)}\/g, '\u221a($1)'); \/\/ Thay th\u1ebf \\sqrt{}\n latex = latex.replace(\/\\\\frac{([^}]*)}{([^}]*)}\/g, '($1)\/($2)'); \/\/ Thay th\u1ebf \\frac{}\n latex = latex.replace(\/\\\\dfrac{([^}]*)}{([^}]*)}\/g, '($1)\/($2)'); \/\/ Thay th\u1ebf \\dfrac{}\n \n return latex;\n }\n \n function calculateScore() {\n const questions = document.querySelectorAll('.question');\n let totalScore = 0;\n\n questions.forEach((question) => {\n const blank = question.querySelector('input[type=\"text\"]');\n const userAnswer = normalizeLatex(blank.value.trim());\n const correctAnswer = normalizeLatex(blank.dataset.value.trim());\n\n \/\/ So s\u00e1nh n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a\n if (userAnswer === correctAnswer) {\n totalScore++;\n }\n });\n\n document.getElementById('result').innerText = `T\u1ed5ng \u0111i\u1ec3m: ${totalScore} \/ ${2*questions.length}`;\n }\n <\/script>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i Test \u0110i\u1ec1n Khuy\u1ebft B\u00e0i Test Tr\u1eafc Nghi\u1ec7m \u0110\u1ec0 KI\u1ec2M TRA TR\u1eaeC NHI\u1ec6M NHI\u1ec0U L\u1ef0A CH\u1eccN \u0110\u00daNG Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai: $ax^2 + bx + c = 0$ c\u00f3 nghi\u1ec7m: Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai: $ax^2 + bx + c = 0$ c\u00f3 nghi\u1ec7m: Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai: $ax^2 + bx + c = 0$ c\u00f3 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-469","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sunflower-math.com\/index.php?rest_route=\/wp\/v2\/posts\/469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunflower-math.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sunflower-math.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sunflower-math.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunflower-math.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=469"}],"version-history":[{"count":27,"href":"https:\/\/sunflower-math.com\/index.php?rest_route=\/wp\/v2\/posts\/469\/revisions"}],"predecessor-version":[{"id":505,"href":"https:\/\/sunflower-math.com\/index.php?rest_route=\/wp\/v2\/posts\/469\/revisions\/505"}],"wp:attachment":[{"href":"https:\/\/sunflower-math.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sunflower-math.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sunflower-math.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}