a:1:{i:0;a:13:{s:2:"id";s:3:"690";s:7:"answer1";s:149:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=5%5Csqrt%7B2%7D" alt="5\sqrt{2}" /></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=%5Cfrac%7B5%7D%7B%5Csqrt%7B2%7D%7D" alt="\frac{5}{\sqrt{2}}" /></p>";s:7:"answer3";s:129:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=10" alt="10" /></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=10%5Csqrt%7B2%7D" alt="10\sqrt{2}" /></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:"1950";}}