User:Plmoknqaztgb/sandbox

<!DOCTYPE html>  XtraMath <link rel="alternate" hreflang="ja" href="https://ja.xtramath.org"><link rel="alternate" hreflang="ko" href="https://ko.xtramath.org"><link rel="alternate" hreflang="nl" href="https://nl.xtramath.org"><link rel="alternate" hreflang="pt-br" href="https://pt-br.xtramath.org"><link rel="alternate" hreflang="ru" href="https://ru.xtramath.org"><meta name="og:title" content="XtraMath - 10 minutes a day for math fact fluency"><meta name="description" content="XtraMath is a free program that helps students master addition, subtraction, multiplication, and division facts."><meta property="og:description" content="XtraMath is a free program that helps students master addition, subtraction, multiplication, and division facts."><meta property="og:image" content="https://cdn0.xtramath.org/ogp-graphic-300x300.png"><meta name="viewport" content="initial-scale=1, width=device-width"><meta http-equiv="Content-Security-Policy" content="default-src 'self' *.xtramath.org https://*.paypalobjects.com https://*.paypal.com; script-src 'self' cdn0.xtramath.org https://appleid.cdn-apple.com https://*.paypal.com 'unsafe-inline' 'unsafe-eval'; style-src 'self' cdn0.xtramath.org 'unsafe-inline'; media-src cdn0.xtramath.org; img-src 'self' cdn0.xtramath.org *.paypal.com data:"><link rel="stylesheet" type="text/css" media="all" href="https://cdn0.xtramath.org/stylesheets/style-368d042.css">    <a class="logoContainer" href="https://home.xtramath.org"><img class="logo" src="https://cdn0.xtramath.org/images/en/logo-white.svg"></a>   <img src="https://cdn0.xtramath.org/images/spinner.gif"> JavaScript disabled Please enable JavaScript to use XtraMath. For more information about our program, visit <a href="https://home.xtramath.org">https://home.xtramath.org</a>. Loading scripts - 0 %   Loading pages - 0  %   <h1 class="offline" style="display: none;">Disconnected <h1 class="connectionFailed" style="display: none;">Unable to connect <h1 class="loadFailed" style="display: none;">Client load failed You are not connected to the Internet. Please connect and <a class="reload" style="cursor: pointer;">refresh</a> this page. Cannot connect to the XtraMath servers. This is probably due to a temporary network disruption. Here's what you can try: Reload the page. Try a few times if the first time doesn't work.</li> If reloading doesn't fix it, wait a few minutes and try again.</li> If you have parental controls or firewall settings in place, make sure "xtramath.org" is whitelisted.</li> See our support page for additional troubleshooting ideas.</li></ol> Could not load the XtraMath client. Please <a class="reload" style="cursor: pointer;">refresh</a> this page. Error details: <pre id="stubError">  XHR details: <pre id="xhrStatus">     <script src="https://cdn0.xtramath.org/javascripts/config-5cc7f31.js"> <script src="https://cdn0.xtramath.org/javascripts/stub-loader-27132d8.js">