a:1:{i:0;a:13:{s:2:"id";s:3:"625";s:7:"answer1";s:174:"<p>Dla <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=x%20%5Cin%20(-%5Cinfty%3B0)" alt="x \in (-\infty;0)" /></p>";s:7:"answer2";s:208:"<p>Dla <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=x%20%5Cin%20(-%5Cinfty%3B-1)%20%5Ccup%20(-1%3B0)" alt="x \in (-\infty;-1) \cup (-1;0)" /></p>";s:7:"answer3";s:202:"<p>Dla <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=x%20%5Cin%20(0%3B1)%20%5Ccup%20(1%3B%5Cinfty)" alt="x \in (0;1) \cup (1;\infty)" /></p>";s:7:"answer4";s:172:"<p>Dla <img class="latex" src="https://chart.googleapis.com/chart?cht=tx&amp;chf=a,s,000000|bg,s,FFFFFF00&amp;chl=x%20%5Cin%20(0%3B%5Cinfty)" alt="x \in (0;\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:"1885";}}