{"common":{"save":0,"post_id":"8369","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4208","post_id":"8369","mon_id":"1159414","chapter_id":"1159495","question":"<p>T&igrave;m t\u1ec9 s\u1ed1 ph\u1ea7n tr\u0103m c\u1ee7a hai s\u1ed1 16&nbsp;v&agrave; 200.<\/p>","options":["<strong>A.<\/strong> 16%","<strong>B.<\/strong> 8%","<strong>C.<\/strong> 24%","<strong>D.<\/strong> 32%"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 8%.<\/span><\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{16}{200}=\\dfrac{8}{100}=8\\%$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-27 11:53:19","option_type":"txt","len":0},{"id":"4209","post_id":"8369","mon_id":"1159414","chapter_id":"1159495","question":"<p>T&igrave;m t\u1ec9 s\u1ed1 ph\u1ea7n tr\u0103m c\u1ee7a hai s\u1ed1 60 v&agrave; 500.<\/p>","options":["<strong>A.<\/strong> 12%","<strong>B.<\/strong> 10%","<strong>C.<\/strong> 20%","<strong>D.<\/strong> 24%"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 12%.<\/span><\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{60}{500}=\\dfrac{12}{100}=12\\%$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-27 11:54:49","option_type":"txt","len":0},{"id":"4210","post_id":"8369","mon_id":"1159414","chapter_id":"1159495","question":"<p>T&iacute;nh t\u1ec9 s\u1ed1 ph\u1ea7n tr\u0103m c\u1ee7a hai s\u1ed1.<\/p><p><span class=\"math-tex\">$\\dfrac{90}{300}$<\/span>&nbsp;=&nbsp;<span class=\"frac123\"><span class=\"ts\">&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&lt;\/span><span class=\"ms\">100<\/span><\/span> =&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt; %.<\/p>","options":"","correct":["[\"30\",\"30\"]"],"level":"1","hint":"","answer":"<p>C&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n t\u1eeb tr&aacute;i sang ph\u1ea3i l\u1ea7n l\u01b0\u1ee3t l&agrave; <span style=\"color:#16a085;\"><strong>30<\/strong><\/span> v&agrave; <span style=\"color:#16a085;\"><strong>30<\/strong><\/span>.<\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{90}{300}=\\dfrac{30}{100}=30\\%$<\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-01-28 08:24:00"}]}