a:1:{i:0;a:13:{s:2:"id";s:3:"586";s:7:"answer1";s:137:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(0%3B2)" alt="(0;2)" /></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=(-%5Cinfty%3B0)%20%5Ccup%20(2%3B4)" alt="(-\infty;0) \cup (2;4)" /></p>";s:7:"answer3";s:211:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(-%5Cinfty%3B0)%20%5Ccup%20(2%3B3)%20%5Ccup%20(3%3B4)" alt="(-\infty;0) \cup (2;3) \cup (3;4)" /></p>";s:7:"answer4";s:193:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=(-%5Cinfty%3B0)%20%5Ccup%20(4%3B%5Cinfty)" alt="(-\infty;0) \cup (4;\infty)" /></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:"1846";}}