{"common":{"save":0,"post_id":"6198","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2981","post_id":"6198","mon_id":"1158530","chapter_id":"1158612","question":"<p>Tìm chu vi tam giác có \u0111\u1ed9 dài 3 c\u1ea1nh l\u1ea7n l\u01b0\u1ee3t là 4m, 3m2dm và 36dm?<\/p>","options":["100dm","110dm","108dm","120dm"],"correct":"3","level":"2","hint":"","answer":"<p>\u0110\u1ed5i: 4m = 40dm<\/p><p> 3m2dm = 32dm<\/p><p>Chu vi tam giác \u0111ó là:<\/p><p>40 + 32 + 36 = 108 (dm)<\/p><p>\u0110áp s\u1ed1: <span style=\"color:#1abc9c;\">108dm<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"3","date":"2022-09-15 18:01:29","option_type":"txt","len":0},{"id":"2982","post_id":"6198","mon_id":"1158530","chapter_id":"1158612","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ô tr\u1ed1ng:<\/p><p><strong><span style=\"color:#2980b9;\">3m7dm = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/>cm<\/span><\/strong><\/p><p><strong><span style=\"color:#2980b9;\">2m10cm = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/>cm<\/span><\/strong><\/p>","options":"","correct":["[\"370\",\"210\"]"],"level":"2","hint":"","answer":"<p>3m7dm = 300cm + 70cm = 370cm<\/p><p>2m10cm = 200cm + 10cm = 210cm<\/p><p>S\u1ed1 thích h\u1ee3p \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\">370; 210.<\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"3","date":"2022-09-15 18:03:33"},{"id":"2983","post_id":"6198","mon_id":"1158530","chapter_id":"1158612","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ô tr\u1ed1ng:<\/p><p><span style=\"color:#8e44ad;\">a) 42 t\u1ea5n 5 t\u1ea1 = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> t\u1ea1<\/span><\/p><p><span style=\"color:#8e44ad;\">b) 8 t\u1ea5n 32 y\u1ebfn = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> y\u1ebfn<\/span><\/p>","options":"","correct":["[\"425\",\"832\"]"],"level":"2","hint":"","answer":"<p>a) 42 t\u1ea5n 5 t\u1ea1 = 420 t\u1ea1 + 5 t\u1ea1 = 425 t\u1ea1<\/p><p>b) 8 t\u1ea5n 32 y\u1ebfn = 800 y\u1ebfn + 32 y\u1ebfn = 832 y\u1ebfn<\/p><p>S\u1ed1 thích h\u1ee3p \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t là<span style=\"color:#16a085;\"><strong> 425; 832. <\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"3","date":"2022-09-15 18:08:23"}]}
