{"common":{"save":0,"post_id":"6789","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1339","post_id":"6789","mon_id":"1159012","chapter_id":"1159021","question":"<p>250 dm² \u0111\u1ecdc là<\/p>","options":["<strong>A.<\/strong> Hai tr\u0103m n\u0103m m\u01b0\u01a1i l\u0103m \u0111\u1ec1 - xi - mét vuông","<strong>B.<\/strong> Hai m\u01b0\u01a1i l\u0103m \u0111\u1ec1 - xi - mét vuông","<strong>C.<\/strong> Hai tr\u0103m sáu m\u01b0\u01a1i x\u0103ng - ti - mét vuông","<strong>D. <\/strong>Hai tr\u0103m n\u0103m m\u01b0\u01a1i \u0111\u1ec1 - xi - mét vuông"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D. <\/strong>Hai tr\u0103m n\u0103m m\u01b0\u01a1i \u0111\u1ec1 - xi - mét vuông<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-26 03:04:11","option_type":"txt","len":3},{"id":"1340","post_id":"6789","mon_id":"1159012","chapter_id":"1159021","question":"<p>\u0110\u1ed5i các \u0111\u01a1n v\u1ecb sau:<\/p><p>700 cm² = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> dm²<\/p><p>1000 cm² = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> dm²<\/p>","options":"","correct":["[\"7\",\"10\"]"],"level":"1","hint":"<p>1 dm = 10 cm.<\/p>","answer":"<p>Ta có 1 dm = 10 cm<\/p><p>Nên 1dm² = 100 cm²<\/p><p>Do \u0111ó<\/p><p>700 cm² = <span style=\"color:#16a085;\"><strong>7<\/strong><\/span> dm²<\/p><p>1000 cm² = <span style=\"color:#16a085;\"><strong>10<\/strong><\/span> dm²<\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>7; <\/strong><span style=\"color:#16a085;\"><strong>10<\/strong><\/span><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-10-26 03:05:46"},{"id":"1342","post_id":"6789","mon_id":"1159012","chapter_id":"1159021","question":"<p>2175 mm² \u0111\u1ecdc là <\/p>","options":["<strong>A.<\/strong> Hai nghìn m\u1ed9t tr\u0103m b\u1ea3y m\u01b0\u01a1i l\u0103m \u0111\u1ec1 - xi - mét vuông","<strong>B.<\/strong> Hai nghìn m\u1ed9t tr\u0103m b\u1ea3y m\u01b0\u01a1i l\u0103m mi - li - mét vuông","<strong>C.<\/strong> Hai nghìn m\u1ed9t tr\u0103m b\u1ea3y m\u01b0\u01a1i sáu mi - li - mét vuông","<strong>D. <\/strong>Hai nghìn m\u1ed9t tr\u0103m b\u1ea3y m\u01b0\u01a1i l\u0103m x\u0103ng - ti - mét vuông"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> Hai nghìn m\u1ed9t tr\u0103m b\u1ea3y m\u01b0\u01a1i l\u0103m mi - li - mét vuông<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-26 03:06:13","option_type":"txt","len":3}]}
