{"common":{"save":0,"post_id":"7660","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1517","post_id":"7660","mon_id":"1159414","chapter_id":"1159448","question":"<p>\u0110i\u1ec1n s\u1ed1 th&iacute;ch h\u1ee3p v&agrave;o ch\u1ed7 ch\u1ea5m:<\/p><p>38 m&sup2; 25 dm&sup2; = &lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt; dm&sup2;<\/p><p>12 m&sup2; 38 cm&sup2; = &lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt; cm&sup2;<\/p>","options":"","correct":["[\"3825\",\"120038\"]"],"level":"2","hint":"<p>1 m&sup2; =&nbsp;100&nbsp;dm&sup2;<\/p><p>1 m&sup2; =&nbsp;10 000 cm&sup2;<\/p>","answer":"<p>38 m&sup2; 25 dm&sup2; = 3800 dm&sup2; + 25 dm&sup2; = <span style=\"color:#16a085;\"><strong>3825<\/strong><\/span>&nbsp;dm&sup2;<\/p><p>12 m&sup2; 38 cm&sup2; = 120 000&nbsp;cm&sup2; + 38&nbsp;cm&sup2; = <span style=\"color:#16a085;\"><strong>120 038<\/strong><\/span>&nbsp;cm&sup2;<\/p><p>V\u1eady c&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t&nbsp;l&agrave; <span style=\"color:#16a085;\"><strong>3825 ; 120 038<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:50:10"},{"id":"1520","post_id":"7660","mon_id":"1159414","chapter_id":"1159448","question":"<p>\u0110i\u1ec1n \u0111\u01a1n v\u1ecb th&iacute;ch h\u1ee3p v&agrave;o ch\u1ed7 ch\u1ea5m: 10 cm&sup2; 6 mm&sup2; = 1006 &hellip;<\/p>","options":["<strong>A.<\/strong> m&sup2;","<strong>B.<\/strong> mm&sup2;","<strong>C.<\/strong> cm&sup2;","<strong>D.<\/strong> dm&sup2;"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;mm&sup2;<\/span><\/p><p>10 cm&sup2; 6 mm&sup2; = 1000&nbsp;mm&sup2; + 6&nbsp;mm&sup2; = 1006&nbsp;mm&sup2;<\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:56:33","option_type":"txt","len":0},{"id":"1522","post_id":"7660","mon_id":"1159414","chapter_id":"1159448","question":"<p>\u0110i\u1ec1n v&agrave;o ch\u1ed7 ch\u1ea5m: 7 m&sup2; 18 dm&sup2; = &hellip; m&sup2;<\/p>","options":["<strong>A.<\/strong> 7,018","<strong>B.<\/strong> 71,8","<strong>C.<\/strong> 7,18","<strong>D.<\/strong> 0,718"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;7,18<\/span><\/p><p>7 m&sup2; 18 dm&sup2; = 7 m&sup2; +&nbsp;<span class=\"math-tex\">$\\dfrac{18}{100}$<\/span>&nbsp;m&sup2; =&nbsp;<span class=\"math-tex\">$\\dfrac{718}{100}$<\/span>&nbsp;m&sup2; = <span style=\"color:#16a085;\"><strong>7,18<\/strong><\/span>&nbsp;m&sup2;<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:59:07","option_type":"txt","len":0}]}