{"version":"1.0","provider_name":"\u0141\u00f3d\u017a Widzew","provider_url":"https:\/\/mathriders.pl\/lodz-widzew","author_name":"widzew","author_url":"https:\/\/mathriders.pl\/lodz-widzew\/aktualnosci\/author\/widzew\/","title":"Og\u00f3lnopolski Konkurs Matematyczny dla uczni\u00f3w szk\u00f3\u0142 podstawowaych klas 1-3 - \u0141\u00f3d\u017a Widzew","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"OXoVng6juM\"><a href=\"https:\/\/mathriders.pl\/lodz-widzew\/aktualnosci\/konkurs-matematyczny-puchacz-piotr\/\">Og\u00f3lnopolski Konkurs Matematyczny dla uczni\u00f3w szk\u00f3\u0142 podstawowaych klas 1-3<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mathriders.pl\/lodz-widzew\/aktualnosci\/konkurs-matematyczny-puchacz-piotr\/embed\/#?secret=OXoVng6juM\" width=\"600\" height=\"338\" title=\"&#8222;Og\u00f3lnopolski Konkurs Matematyczny dla uczni\u00f3w szk\u00f3\u0142 podstawowaych klas 1-3&#8221; &#8212; \u0141\u00f3d\u017a Widzew\" data-secret=\"OXoVng6juM\" 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\/lodz-widzew\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/mathriders.pl\/lodz-widzew\/wp-content\/uploads\/sites\/10\/2026\/01\/819-1024.png","thumbnail_width":819,"thumbnail_height":1024,"description":"Trwaj\u0105 zapisy do jubileuszowej 10 edycji konkursu matematycznego \"Puchacz Piotr\". Konkurs przeznaczony jest dla uczni\u00f3w klas 1-3 szk\u00f3\u0142 podstawowych. Zg\u0142o\u015b swoj\u0105 szko\u0142\u0119, mo\u017ce w\u0142a\u015bnie w\u015br\u00f3d Twoich uczni\u00f3w kryj\u0105 si\u0119 matematyczne \"pere\u0142ki\". Zg\u0142oszenia przyjmujemy do 06.02.2026 r."}