{"version":"1.0","provider_name":"xBook","provider_url":"https:\/\/xbookvn.com\/es","author_name":"admin_tut","author_url":"https:\/\/xbookvn.com\/es\/author\/admin_tut\/","title":"xBook Math Tool - xBook","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"EPQxl4TUgr\"><a href=\"https:\/\/xbookvn.com\/es\/xbook\/xbook-math-tool\/\">Herramienta de Matem\u00e1ticas xBook<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/xbookvn.com\/es\/xbook\/xbook-math-tool\/embed\/#?secret=EPQxl4TUgr\" width=\"600\" height=\"338\" title=\"\u00abxBook Math Tool\u00bb \u2014 xBook\" data-secret=\"EPQxl4TUgr\" 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\/11\/math.jpg","thumbnail_width":1200,"thumbnail_height":861,"description":"xBook Math Tool H\u1ecdc To\u00e1n b\u1eb1ng Tr\u1ef1c Quan \u2013 T\u01b0 Duy \u2013 \u1ee8ng D\u1ee5ng S\u00e1ch To\u00e1n M\u1edf R\u1ed9ng l\u00e0 b\u1ed9 h\u1ecdc li\u1ec7u d\u00e0nh cho h\u1ecdc sinh mu\u1ed1n hi\u1ec3u s\u00e2u b\u1ea3n ch\u1ea5t To\u00e1n h\u1ecdc, thay v\u00ec ch\u1ec9 ghi nh\u1edb c\u00f4ng th\u1ee9c. &hellip;"}