{"common":{"save":0,"post_id":"7662","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1518","post_id":"7662","mon_id":"1159414","chapter_id":"1159448","question":"<p>Kho\u1ea3ng cách gi\u1eefa hai \u0111i\u1ec3m A và B trên th\u1ef1c t\u1ebf là 350 m. H\u1ecfi trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7<br \/>1 : 5000, kho\u1ea3ng cách dài s\u1ed1 cen–ti–mét là:<\/p>","options":["<strong>A.<\/strong> 3500 cm","<strong>B.<\/strong> 7 cm","<strong>C.<\/strong> 70 cm","<strong>D.<\/strong> 100 cm"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 7 cm.<\/span><\/p><p>350 m = 35 000 cm.<br \/>Trên b\u1ea3n \u0111\u1ed3 kho\u1ea3ng cách gi\u1eefa hai \u0111i\u1ec3m A và B là 35000 : 5000 = 7 (cm).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:52:42","option_type":"txt","len":0},{"id":"1519","post_id":"7662","mon_id":"1159414","chapter_id":"1159448","question":"<p>Quãng \u0111\u01b0\u1eddng t\u1eeb S\u01a1n La \u0111\u1ebfn Hà N\u1ed9i dài 286 km. H\u1ecfi trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7<br \/>1 : 2 000 000, quãng \u0111\u01b0\u1eddng dài s\u1ed1 mi–li–mét là:<\/p>","options":["<strong>A.<\/strong> 143 mm","<strong>B.<\/strong> 14,3 mm","<strong>C.<\/strong> 1430 mm","<strong>D.<\/strong> 14 300 mm"],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 143 mm.<\/span><\/p><p>286 km = 286 000 000 mm.<br \/>Quãng \u0111\u01b0\u1eddng t\u1eeb S\u01a1n La \u0111\u1ebfn Hà N\u1ed9i trên b\u1ea3n \u0111\u1ed3 là 286 000 000 : 2 000 000 = 143 (mm).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:56:29","option_type":"txt","len":1},{"id":"1521","post_id":"7662","mon_id":"1159414","chapter_id":"1159448","question":"<p>Trên b\u1ea3n \u0111\u1ed3 t\u1ec9 l\u1ec7 1 : 10 000 000, kho\u1ea3ng cách gi\u1eefa hai thành ph\u1ed1 là 4cm. H\u1ecfi trên th\u1ef1c t\u1ebf, kho\u1ea3ng cách gi\u1eefa hai thành ph\u1ed1 \u0111ó là bao nhiêu ki – lô – mét?<\/p>","options":["<strong>A.<\/strong> 4 km","<strong>B.<\/strong> 40 km","<strong>C.<\/strong> 4000 km","<strong>D.<\/strong> 400 km"],"correct":"4","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 400 km.<\/span><\/p><p>Kho\u1ea3ng cách gi\u1eefa hai thành ph\u1ed1 \u0111ó là 4 x 10 000 000 = 40 000 000 (cm).<br \/>40 000 000cm = 400 km.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:58:56","option_type":"txt","len":0}]}
