a:1:{i:0;a:13:{s:2:"id";s:3:"481";s:7:"answer1";s:414:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccap%20B%20%3D%20%5C%7Bd%2Ce%5C%7D" alt="A \cap B = \{d,e\}" />, <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccup%20B%20%3D%20%5C%7Ba%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%2Ci%2Cj%20%5C%7D" alt="A \cup B = \{a,b,c,d,e,f,g,h,i,j \}" /></p>";s:7:"answer2";s:414:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccap%20B%20%3D%20%5C%7Ba%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%2Ci%2Cj%20%5C%7D" alt="A \cap B = \{a,b,c,d,e,f,g,h,i,j \}" />, <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccup%20B%20%3D%20%5C%7Bd%2Ce%5C%7D" alt="A \cup B = \{d,e\}" /></p>";s:7:"answer3";s:424:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccap%20B%20%3D%20%5C%7Ba%2Cb%2Cc%20%5C%7D" alt="A \cap B = \{a,b,c \}" />, <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccup%20B%20%3D%20%5C%7Ba%2Cb%2Cc%2Cd%2Ce%2Cf%2Cg%2Ch%2Ci%2Cj%20%5C%7D" alt="A \cup B = \{a,b,c,d,e,f,g,h,i,j \}" /></p>";s:7:"answer4";s:388:"<p><img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccap%20B%20%3D%20%5C%7Bd%2Ce%20%5C%7D" alt="A \cap B = \{d,e \}" />, <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=A%20%5Ccup%20B%20%3D%20%5C%7Bf%2Cg%2Ch%2Ci%2Cj%20%5C%7D" alt="A \cup B = \{f,g,h,i,j \}" /></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:"1741";}}