a:1:{i:0;a:13:{s:2:"id";s:3:"598";s:7:"answer1";s:209:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C(%5Cfrac%7B1%7D%7B9%7D%3B%5Cfrac%7B1%7D%7B3%7D%20%5C)" alt="\(\frac{1}{9};\frac{1}{3} \)" /></p>";s:7:"answer2";s:181:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C(%5Cfrac%7B1%7D%7B9%7D%3B81%20%5C)" alt="\(\frac{1}{9};81 \)" /></p>";s:7:"answer3";s:151:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C(1%3B81%20%5C)" alt="\(1;81 \)" /></p>";s:7:"answer4";s:151:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5C(0%3B81%20%5C)" alt="\(0;81 \)" /></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:"1858";}}