a:1:{i:0;a:13:{s:2:"id";s:3:"714";s:7:"answer1";s:34:"<p>s(t)= 8t + 0,8t<sup>2</sup></p>";s:7:"answer2";s:34:"<p>s(t)= 8t + 0,4t<sup>2</sup></p>";s:7:"answer3";s:36:"<p>s(t)= 8t – 0,4t<sup>2</sup></p>";s:7:"answer4";s:36:"<p>s(t)= 8t – 0,8t<sup>2</sup></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:"1974";}}