{"common":{"save":0,"post_id":"4426","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5818","post_id":"4426","mon_id":"1158113","chapter_id":"1158117","question":"<p>T\u1eadp h\u1ee3p <span class=\"math-tex\">$A=\\{\\varnothing\\}$<\/span>có bao nhiêu ph\u1ea7n t\u1eed?<\/p>","options":["không có","1","2"],"correct":"2","level":"2","hint":"<p>T\u1eadp ∅ không có ph\u1ea7n t\u1eed, nh\u01b0ng t\u1eadp h\u1ee3p <span class=\"math-tex\">$A=\\{\\varnothing\\}$<\/span> có 1 ph\u1ea7n t\u1eed.<\/p>","answer":"<p>T\u1eadp h\u1ee3p <span class=\"math-tex\">$A=\\{\\varnothing\\}$<\/span> có 1 ph\u1ea7n t\u1eed mà ph\u1ea7n t\u1eed \u0111ó là t\u1eadp r\u1ed7ng.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>1<\/strong><\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"130","test":"1","date":"2021-08-13 15:29:00","option_type":"txt","len":0},{"id":"5819","post_id":"4426","mon_id":"1158113","chapter_id":"1158117","question":"<p>N\u1ed1i c\u1ed9t bên trái \u1ee9ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng ph\u1ea7n t\u1eed c\u1ee7a t\u1eadp h\u1ee3p bên ph\u1ea3i<\/p>","options":[["B = ∅","A = {∅}"],["1","0"],["0","1"]],"correct":[1,0],"level":"2","hint":"<p>T\u1eadp ∅ không có ph\u1ea7n t\u1eed.<\/p><p>T\u1eadp {∅} có 1 ph\u1ea7n t\u1eed<\/p>","answer":"<p>T\u1eadp B = ∅ không có ph\u1ea7n t\u1eed<\/p><p>T\u1eadp A = {∅} có 1 ph\u1ea7n t\u1eed<\/p><p>\u0110áp án \u0111úng là:<\/p><p><span style=\"color:#16a085;\">B = ∅ <\/span>n\u1ed1i v\u1edbi <span style=\"color:#16a085;\"> 0<\/span><\/p><p><span style=\"color:#16a085;\">A = {∅} <\/span> n\u1ed1i v\u1edbi<span style=\"color:#16a085;\"> 1<\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"130","test":"1","date":"2021-08-13 15:33:27"},{"id":"5820","post_id":"4426","mon_id":"1158113","chapter_id":"1158117","question":"<p>T\u1eadp<strong> B<\/strong> có bao nhiêu ph\u1ea7n t\u1eed?<\/p><p><span class=\"svgedit\"><svg height=\"151\" width=\"280\"> <g><title><\/title><rect fill=\"#fff\" height=\"153\" id=\"canvas_background\" width=\"282\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><ellipse cx=\"137.99997\" cy=\"75.48016\" fill=\"#FFAAB8\" id=\"svg_1\" rx=\"115\" ry=\"66.5\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"27.85735\" x2=\"49.28588\" y1=\"23.85327\" y2=\"33.13897\"><\/line> <ellipse cx=\"113.21433\" cy=\"88.85315\" fill=\"#B1FFFF\" id=\"svg_4\" rx=\"80.35699\" ry=\"38.57135\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"46.42874\" xml:space=\"preserve\" y=\"97.42456\">a.<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"93.57151\" xml:space=\"preserve\" y=\"120.99594\">.b<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"100.00006\" xml:space=\"preserve\" y=\"82.42459\">.c<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"195.71417\" xml:space=\"preserve\" y=\"115.28167\">.m<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"215.71412\" xml:space=\"preserve\" y=\"80.28174\">.n<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.85739\" xml:space=\"preserve\" y=\"18.139\">B<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"173.57135\" x2=\"241.42836\" y1=\"63.8532\" y2=\"24.56756\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Georgia, Times, Times New Roman, serif\" font-size=\"24\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"241.42836\" xml:space=\"preserve\" y=\"25.28184\">A<\/text> <\/g> <\/svg><\/span><\/p>","options":["2","3","4","5"],"correct":"4","level":"2","hint":"<p>\u0110\u1ebfm s\u1ed1 ph\u1ea7n t\u1eed xu\u1ea5t hi\u1ec7n trong c\u1ea3 hai vòng<\/p>","answer":"<p>T\u1eadp B g\u1ed3m 5 ph\u1ea7n t\u1eed là: a; b; c; m; n<\/p><p>\u0110áp án \u0111úng là<span style=\"color:#16a085;\"><strong> 5<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"130","test":"1","date":"2021-08-13 15:45:09","option_type":"number","len":0}]}