a:1:{i:0;a:13:{s:2:"id";s:3:"527";s:7:"answer1";s:168:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(0%3B6%5C%3E" alt="&quot;(0;6\&quot; data-mce-src=" /></p>";s:7:"answer2";s:177:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C%3C0%3B3%5C%3E" alt="&quot;\&lt;0;3\&quot; data-mce-src=" /></p>";s:7:"answer3";s:194:"<p style="text-align: left;"><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(0%3B2%5C%3E" alt="&quot;(0;2\&quot; data-mce-src=" /></p>";s:7:"answer4";s:177:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C%3C0%3B6%5C%3E" alt="&quot;\&lt;0;6\&quot; data-mce-src=" /></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:"0010000000";s:8:"question";s:4:"1787";}}