{"common":{"save":0,"post_id":"8360","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4089","post_id":"8360","mon_id":"1159414","chapter_id":"1159495","question":"<p>Cách ghi nào d\u01b0\u1edbi \u0111ây là \u0111úng \u0111\u1ec3 ghi t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3?<\/p>","options":["<strong>A.<\/strong> 1 – 10 000","<strong>B.<\/strong> 1 : 10 000","<strong>C.<\/strong> 1 + 10 000","<strong>D.<\/strong> 1 x 10 000"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 1 : 10 000.<\/span><\/p><p>Cách ghi t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3 \u0111úng là 1 : 10 000.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-25 10:12:30","option_type":"txt","len":2},{"id":"4091","post_id":"8360","mon_id":"1159414","chapter_id":"1159495","question":"<p>Trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7 1 : 1000, \u0111\u1ed9 dài 1 cm \u1ee9ng v\u1edbi \u0111\u1ed9 dài th\u1eadt là<\/p>","options":["<strong>A.<\/strong> 1000 mm","<strong>B.<\/strong> 1000 dm","<strong>C.<\/strong> 1000 cm","<strong>D.<\/strong> 1000 m"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 1000 cm.<\/span><\/p><p>Trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7 1 : 1000, \u0111\u1ed9 dài 1 cm \u1ee9ng v\u1edbi \u0111\u1ed9 dài th\u1eadt là 1000 cm.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-25 10:15:02","option_type":"txt","len":0},{"id":"4093","post_id":"8360","mon_id":"1159414","chapter_id":"1159495","question":"<p>Trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7 1 : 5000, \u0111\u1ed9 dài 3 cm \u1ee9ng v\u1edbi \u0111\u1ed9 dài th\u1eadt là<\/p>","options":["<strong>A.<\/strong> 5000 cm","<strong>B.<\/strong> 15 000 m","<strong>C.<\/strong> 150 000 cm","<strong>D.<\/strong> 15 000 cm"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 15 000 cm.<\/span><\/p><p>Trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7 1 : 5000, \u0111\u1ed9 dài 3 cm \u1ee9ng v\u1edbi \u0111\u1ed9 dài th\u1eadt là:<\/p><p>3 x 5000 = 15 000 (cm).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-01-25 10:20:57","option_type":"txt","len":1}]}