{"common":{"save":0,"post_id":"4502","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2832","post_id":"4502","mon_id":"11445","chapter_id":"11593","question":"<p>M\u1ed9t cu\u1ed9n dây dài 90 dm, ng\u01b0\u1eddi ta \u0111ã c\u1eaft \u0111i m\u1ed9t \u0111o\u1ea1n dài 28 dm. H\u1ecfi cu\u1ed9n dây còn l\u1ea1i dài bao nhiêu \u0111\u1ec1 - xi - mét?<\/p>","options":["72 dm","62 dm","52 dm","48 dm"],"correct":"2","level":"2","hint":"","answer":"<p>Cu\u1ed9n dây còn l\u1ea1i dài là: <\/p><p> 90 - 28 = 62 (dm)<\/p><p>\u0110áp s\u1ed1:<span style=\"color:#3498db;\"> 62 dm<\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"125","test":"3","date":"2021-08-21 13:21:25","option_type":"txt","len":0},{"id":"2833","post_id":"4502","mon_id":"11445","chapter_id":"11593","question":"<p>\u0110o\u1ea1n dây dài 2 m dài h\u01a1n \u0111o\u1ea1n dây dài 15 dm là bao nhiêu? <\/p>","options":["13 dm","17 dm","5 m","5 dm"],"correct":"4","level":"2","hint":"","answer":"<p>\u0110\u1ed5i 2 m = 20 dm <\/p><p>\u0110o\u1ea1n dây 2 m dài h\u01a1n \u0111o\u1ea1n dây 15 dm là: <\/p><p>20 - 15 = 5 (dm)<\/p><p>\u0110áp s\u1ed1: <span style=\"color:#3498db;\">5 dm<\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"125","test":"3","date":"2021-08-21 14:52:17","option_type":"txt","len":0},{"id":"2834","post_id":"4502","mon_id":"11445","chapter_id":"11593","question":"<p>Minh c\u1eaft m\u1ed9t s\u1ee3i dây thành 6 \u0111o\u1ea1n. Bi\u1ebft có 5 \u0111o\u1ea1n có \u0111\u1ed9 dài b\u1eb1ng nhau, m\u1ed7i \u0111o\u1ea1n dài 5cm và \u0111o\u1ea1n còn l\u1ea1i dài 4 cm. Tính \u0111\u1ed9 dài c\u1ee7a s\u1ee3i dây ban \u0111\u1ea7u. <\/p>","options":["25 cm","29 cm","30 cm","14 cm"],"correct":"2","level":"2","hint":"<p>Tìm \u0111\u1ed9 dài c\u1ee7a 5 \u0111o\u1ea1n dây nh\u1ecf<\/p>","answer":"<p>5 \u0111o\u1ea1n dây dài t\u1ea5t c\u1ea3 là: <\/p><p> 5 x 5 = 25 (cm)<\/p><p>\u0110o\u1ea1n dây ban \u0111\u1ea7u dài là: <\/p><p>25 + 4 = 29 (cm)<\/p><p>\u0110áp s\u1ed1: <span style=\"color:#3498db;\">29 cm<\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"125","test":"3","date":"2021-08-21 15:01:19","option_type":"txt","len":0}]}
