{"common":{"save":0,"post_id":"6754","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"847","post_id":"6754","mon_id":"1159012","chapter_id":"1159016","question":"<p>\u0110i\u1ec1n s\u1ed1 th&iacute;ch h\u1ee3p v&agrave;o ch\u1ed7 tr\u1ed1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c d&atilde;y s\u1ed1 li&ecirc;n ti\u1ebfp t\u0103ng d\u1ea7n:<\/p><p>1 196;&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;; 1 198; 1 199<\/p>","options":"","correct":["[\"1197\"]"],"level":"2","hint":"","answer":"<p>D&atilde;y s\u1ed1 li&ecirc;n ti\u1ebfp t\u0103ng d\u1ea7n:<\/p><p>1 196;&nbsp;<span style=\"color:#16a085;\"><strong>1 197<\/strong><\/span>; 1 198; 1 199<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-10-11 01:35:35"},{"id":"848","post_id":"6754","mon_id":"1159012","chapter_id":"1159016","question":"<p>Ch\u1ecdn s\u1ed1 th&iacute;ch h\u1ee3p \u0111i\u1ec1n v&agrave;o ch\u1ed7 tr\u1ed1ng \u0111\u1ec3&nbsp;\u0111\u01b0\u1ee3c d&atilde;y s\u1ed1 li&ecirc;n ti\u1ebfp gi\u1ea3m d\u1ea7n:<\/p><p>&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/&gt;&nbsp;; 7 899 ; 7 898 ; 7 897<\/p>","options":["<strong>A.<\/strong> 7 890","<strong>B.<\/strong> 7 900","<strong>C.<\/strong> 7 909","<strong>D.<\/strong> 8 000"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;7 900<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-11 01:38:54","option_type":"txt","len":0},{"id":"851","post_id":"6754","mon_id":"1159012","chapter_id":"1159016","question":"<p>Chu vi h&igrave;nh ch\u1eef nh\u1eadt \u0111\u01b0\u1ee3c t&iacute;nh theo c&ocirc;ng th\u1ee9c P = 2 x (a + b) v\u1edbi a, b l&agrave; chi\u1ec1u d&agrave;i v&agrave; chi\u1ec1u r\u1ed9ng c\u1ee7a h&igrave;nh ch\u1eef nh\u1eadt. T&iacute;nh chu vi h&igrave;nh ch\u1eef nh\u1eadt c&oacute; chi\u1ec1u d&agrave;i a = 18 cm v&agrave; chi\u1ec1u r\u1ed9ng b = 9 cm.<\/p>","options":["<strong>A.<\/strong> P = 55 cm","<strong>B.<\/strong> P = 54 mm","<strong>C.<\/strong> P = 27 cm","<strong>D.<\/strong> P = 54 cm"],"correct":"4","level":"2","hint":"","answer":"<p>V\u1edbi a = 18 cm v&agrave; b = 9 cm th&igrave; chu vi h&igrave;nh ch\u1eef nh\u1eadt l&agrave;:<\/p><p>P = 2 x (a + b)<\/p><p>P = 2 x (18 + 9)<\/p><p>P = 2 x 27<\/p><p>P = 54 (cm)<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;P = 54 cm<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-11 01:43:17","option_type":"txt","len":1}]}