a:1:{i:0;a:13:{s:2:"id";s:3:"662";s:7:"answer1";s:215:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=1-%5Cfrac%7B5%20%5Cchoose%203%7D%7B12%20%5Cchoose%203%7D" alt="1-\frac{5 \choose 3}{12 \choose 3}" /></p>";s:7:"answer2";s:171:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B7%5E3%7D%7B12%5E3%7D" alt="\frac{7^3}{12^3}" /></p>";s:7:"answer3";s:207:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B7%20%5Cchoose%203%7D%7B12%5Cchoose%203%7D" alt="\frac{7 \choose 3}{12\choose 3}" /></p>";s:7:"answer4";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%20%7D%7B12%5Cchoose%203%7D" alt="\frac{7 }{12\choose 3}" /></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:"1922";}}