{"common":{"save":0,"post_id":"734","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"511","post_id":"734","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":[["3"]],"list":[{"point":5,"ques":" <center><img src='img\/1.png' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 chia h\u1ebft cho 3.","select":["A. 347182","B. 92147 ","C. 83544","D. 92107 "],"hint":"S\u1ed1 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia h\u1ebft cho 3 th\u00ec chia h\u1ebft cho 3 v\u00e0 ch\u1ec9 nh\u1eefng s\u1ed1 \u0111\u00f3 m\u1edbi chia h\u1ebft cho 3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 3 <br\/> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n <br\/> S\u1ed1 n\u00e0o c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia h\u1ebft cho 3 th\u00ec chia h\u1ebft cho 3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - S\u1ed1 347182 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 4 + 7 + 1 + 8 + 2 = 25 <br\/> V\u00ec 25 $\\not \\vdots$ 3 $\\Rightarrow$ 347182 $\\not \\vdots$ 3 <br\/> B - S\u1ed1 92417 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 2 + 4 + 1 + 7 = 23 <br\/> V\u00ec 23 $\\not \\vdots$ 3 $\\Rightarrow$ 92417 $\\not \\vdots$ 3 <br\/> C - S\u1ed1 83544 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 3 + 5 + 4 + 4 = 24 <br\/> V\u00ec 24 $\\vdots$ 3 $\\Rightarrow$ 83544 $\\vdots$ 3 <br\/> D - 92107 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 2 + 1 + 0 + 7 = 19 <br\/> V\u00ec 19 $\\not \\vdots$ 3 $\\Rightarrow$ 92107 $\\not \\vdots$ 3 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":4}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:42"},{"id":"512","post_id":"734","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":" <center><img src='img\/1.png' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 chia h\u1ebft cho 3.","select":["A. 835402","B. 361842 ","C. 92107","D. 8435 "],"hint":"S\u1ed1 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia h\u1ebft cho 3 th\u00ec chia h\u1ebft cho 3 v\u00e0 ch\u1ec9 nh\u1eefng s\u1ed1 \u0111\u00f3 m\u1edbi chia h\u1ebft cho 3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 3 <br\/> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n <br\/> S\u1ed1 n\u00e0o c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia h\u1ebft cho 3 th\u00ec chia h\u1ebft cho 3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - S\u1ed1 385402 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 3 + 5 + 4 + 0 + 2 = 22 <br\/> V\u00ec 22 $\\not \\vdots$ 3 $\\Rightarrow$ 835402 $\\not \\vdots$ 3 <br\/> B - S\u1ed1 361842 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 6 + 1 + 8 + 4 + 2 = 24 <br\/> V\u00ec 24 $ \\vdots$ 3 $\\Rightarrow$ 361842 $ \\vdots$ 3 <br\/> C - S\u1ed1 92107 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 2 + 1 + 0 + 7 = 19 <br\/> V\u00ec 19 $\\not \\vdots$ 3 $\\Rightarrow$ 92107 $\\not \\vdots$ 3 <br\/> D - 8435 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 4 + 3 + 5 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 3 $\\Rightarrow$ 8435 $\\not \\vdots$ 3 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":4}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:42"},{"id":"513","post_id":"734","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":[["1"]],"list":[{"point":5,"ques":" <center><img src='img\/1.png' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 chia h\u1ebft cho 9","select":["A. 71145","B. 94206 ","C. 85307","D. 33142 "],"hint":"S\u1ed1 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia h\u1ebft cho 9 th\u00ec chia h\u1ebft cho 9 v\u00e0 ch\u1ec9 nh\u1eefng s\u1ed1 \u0111\u00f3 m\u1edbi chia h\u1ebft cho 9","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 9 <br\/> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n <br\/> S\u1ed1 n\u00e0o c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 chia h\u1ebft cho 9 th\u00ec chia h\u1ebft cho 9 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - S\u1ed1 71145 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 7 + 1 + 1 + 4 + 5 = 18 <br\/> V\u00ec 18 $ \\vdots$ 9 $\\Rightarrow$ 71145 $ \\vdots$ 9 <br\/> B - S\u1ed1 94206 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 2 + 0 + 6 = 21 <br\/> V\u00ec 21 $\\not \\vdots$ 9 $\\Rightarrow$ 94206 $\\not \\vdots$ 9 <br\/> C - S\u1ed1 85307 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 5 + 3 + 0 + 7 = 23 <br\/> V\u00ec 23 $\\not \\vdots$ 9 $\\Rightarrow$ 85307 $\\not \\vdots$ 9 <br\/> D - 33142 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 3 + 1 + 4 + 2 = 13 <br\/> V\u00ec 13 $\\not \\vdots$ 9 $\\Rightarrow$ 33142 $ \\vdots$ 9 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":4}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:42"}]}