{"common":{"save":0,"post_id":"7651","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1478","post_id":"7651","mon_id":"1159414","chapter_id":"1159448","question":"<p>S&acirc;n v\u1eadn \u0111\u1ed9ng M\u1ef9 \u0110&igrave;nh c&oacute; di\u1ec7n t&iacute;ch kho\u1ea3ng 17,5 ha. Nh\u01b0 v\u1eady di\u1ec7n t&iacute;ch s&acirc;n v\u1eadn \u0111\u1ed9ng M\u1ef9 \u0110&igrave;nh t&iacute;nh&nbsp;theo l&agrave;:&nbsp;<\/p>","options":["<strong>A.<\/strong> 175 000 m&sup2;","<strong>B.<\/strong> 17 500 m&sup2;","<strong>C.<\/strong> 1750 m&sup2;","<strong>D.<\/strong> 1 750 000 m&sup2;"],"correct":"1","level":"3","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 175 000 m&sup2;.<\/span><\/p><p>17,5 ha = 175 000 m&sup2;.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-15 10:24:05","option_type":"txt","len":2},{"id":"1480","post_id":"7651","mon_id":"1159414","chapter_id":"1159448","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh 120 ha + 47 km&sup2; l&agrave;:<\/p>","options":["<strong>A.<\/strong> 4820 ha","<strong>B.<\/strong> 4620 ha","<strong>C.<\/strong> 4720 ha","<strong>D.<\/strong> 4810 ha"],"correct":"1","level":"3","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 4820 ha.<\/span><\/p><p>120 ha + 47 km&sup2; = 120 ha + 4700 ha = 4820 ha.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-15 10:27:57","option_type":"txt","len":0},{"id":"1481","post_id":"7651","mon_id":"1159414","chapter_id":"1159448","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh 24 ha + 750 m&sup2; l&agrave;:<\/p>","options":["<strong>A.<\/strong> 24,75 ha","<strong>B.<\/strong> 24,705 ha","<strong>C.<\/strong> 24,075 ha","<strong>D.<\/strong> 24,750 ha"],"correct":"3","level":"3","hint":"<p>1 ha = 10 000 m&sup2;<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 24,075 ha.<\/span><\/p><p>24 ha + 750 m&sup2; = 24 ha + 0,075 ha = 24,075 ha.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-15 10:32:00","option_type":"txt","len":1}]}