{"common":{"save":0,"post_id":"5951","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1516","post_id":"5951","mon_id":"1158530","chapter_id":"1158701","question":"<p>Tính <\/p><p>39 642 – 9 642 + 70 000 = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoat-dong\/2ban.png\" \/><\/div>","options":"","correct":["[\"100000\"]"],"level":"3","hint":"<p>Khi phép tính ch\u1ec9 có phép c\u1ed9ng và phép tr\u1eeb thì ta th\u1ef1c hi\u1ec7n theo th\u1ee9 t\u1ef1 t\u1eeb trái sang ph\u1ea3i.<\/p>","answer":"<p> 39 642 – 9 642 + 70 000<\/p><p>= 30 000 + 70 000<\/p><p>= 100 000<\/p><p>V\u1eady 39 642 – 9 642 + 70 000 = 100 000<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>100 000<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2022-06-17 03:03:13"},{"id":"1517","post_id":"5951","mon_id":"1158530","chapter_id":"1158701","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ô tr\u1ed1ng:<\/p><p><strong><span style=\"color:#2980b9;\">85 172 – <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> = 23 861<\/span><\/strong><\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoat-dong\/2hanghsinh.png\" \/><\/div>","options":"","correct":["[\"61 311\"]"],"level":"3","hint":"","answer":"<p>85 172 – ? = 23 861<\/p><p> ? = 85 127 – 23 861<\/p><p><span class=\"svgedit\"><svg height=\"130\" width=\"110\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"112\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_3\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> <title><\/title> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"26.30625\" xml:space=\"preserve\" y=\"111.2375\">61 311<\/text> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"4.30625\" x2=\"114.30625\" y1=\"81.2375\" y2=\"81.2375\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"26.30625\" xml:space=\"preserve\" y=\"26.2375\">85 172<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25.30625\" xml:space=\"preserve\" y=\"71.2375\">23 861<\/text> <line fill=\"none\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"9.30625\" x2=\"22.30625\" y1=\"41\" y2=\"41.2375\"><\/line> <\/g> <\/svg><\/span><\/p><p>V\u1eady 85 172 – <strong><span style=\"color:#16a085;\">61 311<\/span><\/strong> = 23 861<\/p><p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <strong><span style=\"color:#16a085;\">61 311<\/span><\/strong><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"3","date":"2022-06-17 04:02:25"},{"id":"1520","post_id":"5951","mon_id":"1158530","chapter_id":"1158701","question":"<p>Tìm hi\u1ec7u c\u1ee7a s\u1ed1 l\u1edbn nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau và s\u1ed1 bé nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoat-dong\/bat-ca.png\" \/><\/div>","options":["<strong>A.<\/strong> 89 999","<strong>B.<\/strong> 88 531","<strong>C.<\/strong> 88 765","<strong>D.<\/strong> 89 765"],"correct":"2","level":"3","hint":"<p>Tìm s\u1ed1 l\u1edbn nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau và s\u1ed1 bé nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau, sau \u0111ó l\u1ea5y s\u1ed1 l\u1edbn tr\u1eeb \u0111i s\u1ed1 bé.<\/p>","answer":"<p>S\u1ed1 l\u1edbn nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau là: 98 765<\/p><p>S\u1ed1 bé nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau là: 10 234<\/p><p>V\u1eady hi\u1ec7u c\u1ee7a s\u1ed1 l\u1edbn nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau và s\u1ed1 bé nh\u1ea5t có 5 ch\u1eef s\u1ed1 khác nhau là:<\/p><p>98 765 – 10 234 = 88 531<\/p><p>V\u1eady \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>B.<\/strong> 88 531<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-17 04:08:54","option_type":"txt","len":0}]}