{"save":1,"level":1,"time":"60","total":25,"point":5,"segment":[{"id":"1617","test_id":"324","question":"<p>C&oacute; bao nhi&ecirc;u c&aacute;ch ch\u1ecdn 2 h\u1ecdc sinh t\u1eeb 34 h\u1ecdc sinh?<\/p>","options":["<span class=\"math-tex\">${{2}^{34}}$<\/span>","<span class=\"math-tex\">$A_{34}^{2}$<\/span>","<span class=\"math-tex\">${{34}^{2}}$<\/span>","<span class=\"math-tex\">$C_{34}^{2}$<\/span>"],"correct":"4","answer":"<p>M\u1ed7i c&aacute;ch ch\u1ecdn 2 h\u1ecdc sinh t\u1eeb 34 h\u1ecdc sinh l&agrave; 1 t\u1ed5 h\u1ee3p ch\u1eadp 2 c\u1ee7a 34. S\u1ed1 c&aacute;ch ch\u1ecdn l&agrave;&nbsp;<span class=\"math-tex\">$C_{34}^{2}$<\/span><\/p>","type":"choose","user_id":"108","test":"2","date":"2020-04-13 16:58:08"},{"id":"1618","test_id":"324","question":"<p>Trong m\u1eb7t ph\u1eb3ng (Oxyz) cho m\u1eb7t ph\u1eb3ng (P) c&oacute; ph\u01b0\u01a1ng tr&igrave;nh <span class=\"math-tex\">$x+2y+3z+5=0$<\/span>. M\u1ed9t v&eacute;c t\u01a1 ph&aacute;p tuy\u1ebfn c\u1ee7a (P) l&agrave;:<br \/>&nbsp;<\/p>","options":["( 3; 2; 1)","(-1; 2; 3) &nbsp;","(1; 2; -3) &nbsp;","(1; 2; 3)"],"correct":"4","answer":"<p>(P) :&nbsp; <span class=\"math-tex\">$x+2y+3z+5=0$<\/span>&nbsp;c&oacute; v&eacute;c t\u01a1 ph&aacute;p tuy\u1ebfn l&agrave; (1; 2; 3)<\/p>","type":"choose","user_id":"108","test":"2","date":"2020-04-13 16:59:48"}]}