a:1:{i:0;a:13:{s:2:"id";s:3:"652";s:7:"answer1";s:189:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B5%20%5Cchoose%202%7D%7B6%5E5%7D" alt="\frac{5 \choose 2}{6^5}" /></p>";s:7:"answer2";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%7B2%20%5Ccdot%205%20%5Ccdot%203%7D%7B6%5E5%7D" alt="\frac{2 \cdot 5 \cdot 3}{6^5}" /></p>";s:7:"answer3";s:193:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B10%20%5Ccdot%205%5E3%7D%7B6%5E5%7D" alt="\frac{10 \cdot 5^3}{6^5}" /></p>";s:7:"answer4";s:169:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=%5Cfrac%7B5%5E3%7D%7B6%5E5%7D" alt="\frac{5^3}{6^5}" /></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:"1912";}}