{"common":{"save":0,"post_id":"810","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1701","post_id":"810","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Ph\u00e2n s\u1ed1 $\\dfrac{15}{4}$ \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng h\u1ed7n s\u1ed1 l\u00e0: ","select":["A. $2\\dfrac{7}{4}$ ","B. $5\\dfrac{1}{4}$","C. $3\\dfrac{1}{4}$","D. $3\\dfrac{3}{4}$ "],"hint":"L\u1ea5y t\u1eed s\u1ed1 chia m\u1eabu s\u1ed1 \u0111\u01b0\u1ee3c th\u01b0\u01a1ng ch\u00ednh l\u00e0 ph\u1ea7n nguy\u00ean c\u1ee7a h\u1ed7n s\u1ed1, c\u00f2n d\u01b0 l\u00e0 t\u1eed s\u1ed1 m\u1edbi","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ecm ph\u1ea7n nguy\u00ean c\u1ee7a h\u1ed7n s\u1ed1 <br\/> L\u1ea5y 15 chia 4 th\u01b0\u01a1ng \u0111\u01b0\u1ee3c bao nhi\u00eau ch\u00ednh l\u00e0 ph\u1ea7n nguy\u00ean <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm ph\u1ea7n ph\u00e2n s\u1ed1 c\u1ee7a h\u1ed7n s\u1ed1 <br\/> L\u1ea5y 15 chia 4 \u0111\u01b0\u1ee3c d\u01b0 bao nhi\u00eau ch\u00ednh l\u00e0 t\u1eed s\u1ed1 c\u1ee7a ph\u1ea7n ph\u00e2n s\u1ed1, m\u1eabu s\u1ed1 l\u00e0 m\u1eabu s\u1ed1 ban \u0111\u1ea7u <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: 15 : 4 = 3 d\u01b0 3 <br\/> N\u00ean $\\dfrac{15}{4} = 3\\dfrac{3}{4}$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. $3\\dfrac{3}{4}$ <\/span> ","column":4}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:54"},{"id":"1702","post_id":"810","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ph\u00e2n s\u1ed1 $\\dfrac{47}{12}$ \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng h\u1ed7n s\u1ed1 l\u00e0: ","select":["A. $3\\dfrac{5}{12}$ ","B. $3\\dfrac{11}{12}$","C. $4\\dfrac{1}{12}$","D. $3\\dfrac{7}{12}$ "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ecm ph\u1ea7n nguy\u00ean c\u1ee7a h\u1ed7n s\u1ed1 <br\/> L\u1ea5y 47 chia 12 th\u01b0\u01a1ng \u0111\u01b0\u1ee3c bao nhi\u00eau ch\u00ednh l\u00e0 ph\u1ea7n nguy\u00ean <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm ph\u1ea7n ph\u00e2n s\u1ed1 c\u1ee7a h\u1ed7n s\u1ed1 <br\/> L\u1ea5y 47 chia 12 \u0111\u01b0\u1ee3c d\u01b0 bao nhi\u00eau ch\u00ednh l\u00e0 t\u1eed s\u1ed1 c\u1ee7a ph\u1ea7n ph\u00e2n s\u1ed1, m\u1eabu s\u1ed1 l\u00e0 m\u1eabu s\u1ed1 ban \u0111\u1ea7u <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: 47: 12 = 3 d\u01b0 11 <br\/> N\u00ean $\\dfrac{47}{12} = 3\\dfrac{11}{12}$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. $3\\dfrac{11}{12}$ <\/span> ","column":4}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:54"},{"id":"1703","post_id":"810","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["27"],["15"]]],"list":[{"point":5,"width":50,"ques":"H\u00e3y vi\u1ebft h\u1ed7n s\u1ed1 sau d\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1: <br\/> $1 \\dfrac{12}{15}$ = <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Mu\u1ed1n vi\u1ebft h\u1ed7n s\u1ed1 $a\\dfrac{c}{d}$ (d $\\neq$ 0) d\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1 ta l\u00e0m nh\u01b0 sau: <br\/> $a \\dfrac{c}{d} = \\dfrac{d . a + c}{d}$ <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> $1 \\dfrac{12}{15} = \\dfrac{1 . 15 + 12}{15} = \\dfrac{27}{15}$"}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:54"}]}