{"version":"1.0","provider_name":"Warszawa Bia\u0142o\u0142\u0119ka","provider_url":"https:\/\/mathriders.pl\/warszawa-bialoleka","author_name":"sylwia","author_url":"https:\/\/mathriders.pl\/warszawa-bialoleka\/aktualnosci\/author\/sylwia\/","title":"Nowy semestr w MathRiders! - Warszawa Bia\u0142o\u0142\u0119ka","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"HCWBPSiOCy\"><a href=\"https:\/\/mathriders.pl\/warszawa-bialoleka\/aktualnosci\/nowy-semestr-w-mathriders\/\">Nowy semestr w MathRiders!<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mathriders.pl\/warszawa-bialoleka\/aktualnosci\/nowy-semestr-w-mathriders\/embed\/#?secret=HCWBPSiOCy\" width=\"600\" height=\"338\" title=\"&#8222;Nowy semestr w MathRiders!&#8221; &#8212; Warszawa Bia\u0142o\u0142\u0119ka\" data-secret=\"HCWBPSiOCy\" 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:\/\/mathriders.pl\/warszawa-bialoleka\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/mathriders.pl\/warszawa-bialoleka\/wp-content\/uploads\/sites\/25\/2026\/02\/nowy-semestr.png","thumbnail_width":600,"thumbnail_height":313,"description":"Do\u0142\u0105cz do grona superbohater\u00f3w matematyki \ud83e\uddb8\u200d\u2640\ufe0f\ud83e\uddb8\u200d\u2642\ufe0f Nowy semestr zaj\u0119\u0107 matematycznych w MathRiders rusza pe\u0142n\u0105 par\u0105 \u2014 a my nie mo\u017cemy si\u0119 doczeka\u0107, by zn\u00f3w spotka\u0107 wszystkich m\u0142odych odkrywc\u00f3w matematyki! \ud83d\udc9a Je\u015bli szukasz zaj\u0119\u0107, kt\u00f3re rozwijaj\u0105 logiczne my\u015blenie, buduj\u0105 pewno\u015b\u0107 siebie i pokazuj\u0105, \u017ce matematyka mo\u017ce by\u0107 przyjemno\u015bci\u0105, jeste\u015b w idealnym miejscu. W MathRiders uczymy w..."}