{"version":"1.0","provider_name":"Warszawa Weso\u0142a","provider_url":"https:\/\/mathriders.pl\/warszawa-wesola","author_name":"sylwia","author_url":"https:\/\/mathriders.pl\/warszawa-wesola\/aktualnosci\/author\/sylwia\/","title":"Konkurs - Nakr\u0119\u0107 si\u0119 na MathRiders 2025 - Warszawa Weso\u0142a","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"rjIapHd7mT\"><a href=\"https:\/\/mathriders.pl\/warszawa-wesola\/aktualnosci\/konkurs-nakrec-sie-na-mathriders-2025\/\">Konkurs &#8211; Nakr\u0119\u0107 si\u0119 na MathRiders 2025<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mathriders.pl\/warszawa-wesola\/aktualnosci\/konkurs-nakrec-sie-na-mathriders-2025\/embed\/#?secret=rjIapHd7mT\" width=\"600\" height=\"338\" title=\"&#8222;Konkurs &#8211; Nakr\u0119\u0107 si\u0119 na MathRiders 2025&#8221; &#8212; Warszawa Weso\u0142a\" data-secret=\"rjIapHd7mT\" 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-wesola\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/mathriders.pl\/warszawa-wesola\/wp-content\/uploads\/sites\/29\/2025\/05\/post_nakrec_sie1080-x-1350-px-e1747057797243.png","thumbnail_width":1080,"thumbnail_height":648,"description":"\ud83c\udfac We\u017a udzia\u0142 w konkursie \u201eNakr\u0119\u0107 si\u0119 na MR\u201d organizowanym przez MathRiders Polska! \ud83c\udfac Jeste\u015b uczniem MathRiders i masz od 3 do 18 lat? Ten konkurs jest w\u0142a\u015bnie dla Ciebie! \ud83d\udccc Zadanie jest proste:Nagraj kr\u00f3tki film \u2013 maksymalnie 60 sekund, w formacie pionowym (forma na: TikToka\/Rolki\/Shorts), w kt\u00f3rym opowiesz, jak Ty widzisz matematyk\u0119. \ud83c\udfa4 Twoja..."}