{"version":"1.0","provider_name":"xBook","provider_url":"https:\/\/xbookvn.com\/de","author_name":"admin_tut","author_url":"https:\/\/xbookvn.com\/de\/author\/admin_tut\/","title":"Flagship #10 - K\u00fd hi\u1ec7u s\u1ed1 - S\u00e1ch To\u00e1n Tr\u1ebb em - xBook","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"S55c6cUrRJ\"><a href=\"https:\/\/xbookvn.com\/de\/xbook\/flagship-10\/\">Flagship #10 &#8211; K\u00fd hi\u1ec7u s\u1ed1 &#8211; S\u00e1ch To\u00e1n Tr\u1ebb em<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/xbookvn.com\/de\/xbook\/flagship-10\/embed\/#?secret=S55c6cUrRJ\" width=\"600\" height=\"338\" title=\"&#8222;Flagship #10 &#8211; K\u00fd hi\u1ec7u s\u1ed1 &#8211; S\u00e1ch To\u00e1n Tr\u1ebb em&#8220; &#8211; xBook\" data-secret=\"S55c6cUrRJ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/xbookvn.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/xbookvn.com\/wp-content\/uploads\/2025\/10\/BannerMath-1.jpg","thumbnail_width":1290,"thumbnail_height":730,"description":"Ph\u1ea7n l\u1eddi Gi\u1edbi thi\u1ec7u: T\u1eeb thu\u1edf s\u01a1 khai, con ng\u01b0\u1eddi \u0111\u00e3 s\u00e1ng t\u1ea1o ra c\u00e1c k\u00fd hi\u1ec7u s\u1ed1 \u0111\u1ec3 ghi l\u1ea1i v\u00e0 t\u00ednh to\u00e1n nh\u1eefng \u0111i\u1ec1u x\u1ea3y ra trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y \u2013 t\u1eeb vi\u1ec7c \u0111\u1ebfm qu\u1ea3 t\u00e1o, \u0111o &hellip;"}