a:1:{i:0;a:13:{s:2:"id";s:3:"541";s:7:"answer1";s:191:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=-%5Cfrac%7B14%2B3%5Csqrt%7B2%7D%7D%7B12%7D" alt="-\frac{14+3\sqrt{2}}{12}" /></p>";s:7:"answer2";s:185:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=-%5Cfrac%7B7%2B%5Csqrt%7B2%7D%7D%7B6%7D" alt="-\frac{7+\sqrt{2}}{6}" /></p>";s:7:"answer3";s:187:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B14-3%5Csqrt%7B2%7D%7D%7B12%7D" alt="\frac{14-3\sqrt{2}}{12}" /></p>";s:7:"answer4";s:181:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B7-%5Csqrt%7B2%7D%7D%7B6%7D" alt="\frac{7-\sqrt{2}}{6}" /></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:"1801";}}