a:1:{i:0;a:13:{s:2:"id";s:3:"636";s:7:"answer1";s:9:"<p>35</p>";s:7:"answer2";s:9:"<p>28</p>";s:7:"answer3";s:133:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=4%5E7" alt="4^7" /></p>";s:7:"answer4";s:133:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=7%5E4" alt="7^4" /></p>";s:7:"answer5";s:0:"";s:7:"answer6";s:0:"";s:7:"answer7";s:0:"";s:7:"answer8";s:0:"";s:7:"answer9";s:0:"";s:8:"answer10";s:0:"";s:4:"good";s:10:"1000000000";s:8:"question";s:4:"1896";}}