{"segment":[{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/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}]}],"id_ques":511},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/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}]}],"id_ques":512},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/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}]}],"id_ques":513},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/1.png' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 chia h\u1ebft cho 9","select":["A. 31426","B. 71426 ","C. 903672","D. 81503 "],"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 31426 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 1 + 4 + 2 + 6 = 16 <br\/> V\u00ec 16 $ \\not \\vdots$ 9 $\\Rightarrow$ 31426 $\\not \\vdots$ 9 <br\/> B - S\u1ed1 71426 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 7 + 1 + 4 + 2 + 6 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 9 $\\Rightarrow$ 71426 $\\not \\vdots$ 9 <br\/> C - S\u1ed1 903672 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 0 + 3 + 6 + 7 + 2 = 27 <br\/> V\u00ec 27 $ \\vdots$ 9 $\\Rightarrow$ 903672 $ \\vdots$ 9 <br\/> D - 81503 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 1 + 5 + 0 + 3 = 17 <br\/> V\u00ec 17 $\\not \\vdots$ 9 $\\Rightarrow$ 81503 $\\not \\vdots$ 9 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":4}]}],"id_ques":514},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/2.jpg' \/><\/center> <br\/> Thay * b\u1eb1ng ch\u1eef s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 $\\overline{914*3}$ chia h\u1ebft cho 3. V\u1eady :","select":["A. * = 2","B. * = 3 ","C. * = 4","D. * = 8"],"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\/> Thay l\u1ea7n l\u01b0\u1ee3t c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a * v\u00e0o t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 <br\/> 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 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - V\u1edbi * = 2 ta c\u00f3 s\u1ed1 91423 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 4 + 2 + 3 = 19 <br\/> V\u00ec 19 $\\not \\vdots$ 3 $\\Rightarrow$ 91423 $\\not \\vdots$ 3 <br\/> B - V\u1edbi * = 3 ta c\u00f3 s\u1ed1 91433 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 4 + 3 + 3 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 3 $\\Rightarrow$ 91433 $\\not \\vdots$ 3 <br\/> C - V\u1edbi * = 4 s\u1ed1 91443 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 4 + 4 + 3 = 21 <br\/> V\u00ec 21 $\\vdots$ 3 $\\Rightarrow$ 91443 $\\vdots$ 3 <br\/> D - V\u1edbi * = 8 ta c\u00f3 s\u1ed1 91483 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 4 + 8 + 3 = 25 <br\/> V\u00ec 25 $\\not \\vdots$ 3 $\\Rightarrow$ 91483 $\\not \\vdots$ 3 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C . * = 4 <\/span> ","column":4}]}],"id_ques":515},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/2.jpg' \/><\/center> <br\/> Thay * b\u1eb1ng ch\u1eef s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 $\\overline{941*5}$ chia h\u1ebft cho 3. V\u1eady:","select":["A. * = 1","B. * = 4 ","C. * = 2","D. * = 9"],"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\/> Thay l\u1ea7n l\u01b0\u1ee3t c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a * v\u00e0o t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 <br\/> 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 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - V\u1edbi * = 1 ta c\u00f3 s\u1ed1 94115 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 1 + 1 + 5 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 3 $\\Rightarrow$ 94115 $\\not \\vdots$ 3 <br\/> B - V\u1edbi * = 4 ta c\u00f3 s\u1ed1 94145 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 1 + 4 + 5 = 23 <br\/> V\u00ec 23 $\\not \\vdots$ 3 $\\Rightarrow$ 94145 $\\not \\vdots$ 3 <br\/> C - V\u1edbi * = 2 s\u1ed1 94125 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 1 + 2 + 5 = 21 <br\/> V\u00ec 21 $\\vdots$ 3 $\\Rightarrow$ 94125 $\\vdots$ 3 <br\/> D - V\u1edbi * = 9 ta c\u00f3 s\u1ed1 94195 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 1 + 9 + 5 = 28 <br\/> V\u00ec 28 $\\not \\vdots$ 3 $\\Rightarrow$ 94125 $\\not \\vdots$ 3 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C . * = 2 <\/span> ","column":4}]}],"id_ques":516},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/7.jpg' \/><\/center> <br\/> Thay * b\u1eb1ng ch\u1eef s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 $\\overline{3185*}$ chia h\u1ebft cho 9. V\u1eady:","select":["A. * = 3","B. * = 7 ","C. * = 1","D. * = 8"],"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\/> Thay l\u1ea7n l\u01b0\u1ee3t c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a * v\u00e0o t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 <br\/> 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 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - V\u1edbi * = 3 ta c\u00f3 s\u1ed1 31853 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 1 + 8 + 5 + 3 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 9 $\\Rightarrow$ 31853 $ \\not \\vdots$ 9 <br\/> B - V\u1edbi * = 7 ta c\u00f3 s\u1ed1 31857 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 1 + 8 + 5 + 7 = 24 <br\/> V\u00ec 24 $\\not \\vdots$ 9 $\\Rightarrow$ 31857 $\\not \\vdots$ 9 <br\/> C - V\u1edbi * = 1 s\u1ed1 31851 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 1 + 8 + 5 + 1 = 18 <br\/> V\u00ec 18 $ \\vdots$ 9 $\\Rightarrow$ 31851 $ \\vdots$ 9 <br\/> D - V\u1edbi * = 8 ta c\u00f3 s\u1ed1 31858 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 1 + 8 + 5 + 8 = 25 <br\/> V\u00ec 25 $\\not \\vdots$ 9 $\\Rightarrow$ 31859 $\\not \\vdots$ 9 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. * = 1 <\/span> ","column":4}]}],"id_ques":517},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/7.jpg' \/><\/center> <br\/> Thay * b\u1eb1ng ch\u1eef s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 $\\overline{91*36}$ chia h\u1ebft cho 9. V\u1eady:","select":["A. * = 1","B. * = 8 ","C. * = 9","D. * = 3"],"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\/> Thay l\u1ea7n l\u01b0\u1ee3t c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a * v\u00e0o t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 <br\/> 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 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - V\u1edbi * = 1 ta c\u00f3 s\u1ed1 91136 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 1 + 3 + 6 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 9 $\\Rightarrow$ 91136 $ \\not \\vdots$ 9 <br\/> B - V\u1edbi * = 8 ta c\u00f3 s\u1ed1 91836 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 8 + 3 + 6 = 27 <br\/> V\u00ec 27 $ \\vdots$ 9 $\\Rightarrow$ 91836 $ \\vdots$ 9 <br\/> C - V\u1edbi * = 9 s\u1ed1 91936 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 9 + 3 + 6 = 28 <br\/> V\u00ec 28 $\\not \\vdots$ 9 $\\Rightarrow$ 91936 $\\not \\vdots$ 9 <br\/> D - V\u1edbi * = 3 ta c\u00f3 s\u1ed1 91336 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 3 + 3 + 6 = 22 <br\/> V\u00ec 22 $\\not \\vdots$ 9 $\\Rightarrow$ 91336 $\\not \\vdots$ 9 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. * = 8 <\/span> ","column":4}]}],"id_ques":518},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/4.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn ph\u00e9p t\u00ednh n\u00e0o c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 KH\u00d4NG chia h\u1ebft cho 3","select":["A. 724183 + 8247","B. 8736 + 38103"],"hint":"T\u00ednh t\u1ed5ng r\u1ed3i t\u00ednh c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a m\u1ed7i t\u1ed5ng tr\u00ean","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <span class='basic_green'>C\u00e1ch 1:<\/span> <br\/> \u00c1p d\u1ee5ng t\u00ednh ch\u1ea5t chia h\u1ebft c\u1ee7a m\u1ed9t t\u1ed5ng x\u00e9t t\u1eebng s\u1ed1 h\u1ea1ng trong t\u1ed5ng xem c\u00f3 chia h\u1ebft cho 3 kh\u00f4ng <br\/> N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 h\u1ea1ng \u0111\u1ec1u chia h\u1ebft cho 3 th\u00ec t\u1ed5ng chia h\u1ebft cho 3 <br\/> <span class='basic_green'> C\u00e1ch 2: <\/span> <br\/> T\u00ednh c\u00e1c t\u1ed5ng tr\u00ean sau \u0111\u00f3 t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1ed5ng <br\/> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 kh\u00f4ng chia h\u1ebft cho 3 th\u00ec t\u1ed5ng kh\u00f4ng chia h\u1ebft cho 3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <span class='basic_green'>C\u00e1ch 2: <\/span> <br\/> Ta c\u00f3: 724183 + 8247 = 732430 <br\/> 8736 + 38103 = 46839 <br\/> S\u1ed1 732430 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 7 + 3 + 2 + 4 + 3 + 0 = 19 <br\/> V\u00ec 19 $\\not \\vdots$ 3 $\\Rightarrow$ 732430 $\\not \\vdots$ 3 hay (724183 + 8247) $\\not \\vdots$ 3 <br\/> S\u1ed1 46839 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 4 + 6 + 8 + 3 + 9 = 30 <br\/> V\u00ec 30 $ \\vdots$ 3 $\\Rightarrow$ 46839 $ \\vdots$ 3 hay (8736 + 38103) $\\vdots$ 3 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span> ","column":2}]}],"id_ques":519},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/4.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn ph\u00e9p t\u00ednh n\u00e0o c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 kh\u00f4ng chia h\u1ebft cho 3","select":["A. 920376 - 41205","B. 83194 - 27150"],"hint":"T\u00ednh hi\u1ec7u r\u1ed3i t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a m\u1ed7i hi\u1ec7u tr\u00ean","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <span class='basic_green'>C\u00e1ch 1:<\/span> <br\/> \u00c1p d\u1ee5ng t\u00ednh ch\u1ea5t chia h\u1ebft c\u1ee7a m\u1ed9t hi\u1ec7u x\u00e9t t\u1eebng s\u1ed1 trong hi\u1ec7u xem c\u00f3 chia h\u1ebft cho 3 kh\u00f4ng <br\/> Trong 1 hi\u1ec7u n\u1ebfu c\u00f3 m\u1ed9t s\u1ed1 kh\u00f4ng chia h\u1ebft cho 3, c\u00e1c s\u1ed1 c\u00f2n l\u1ea1i chia h\u1ebft cho th\u00ec th\u00ec hi\u1ec7u \u0111\u00f3 kh\u00f4ng chia h\u1ebft cho 3 <br\/> <span class='basic_green'>C\u00e1ch 2: <\/span> <br\/> T\u00ednh c\u00e1c hi\u1ec7u tr\u00ean sau \u0111\u00f3 t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a m\u1ed7i hi\u1ec7u <br\/> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a hi\u1ec7u chia h\u1ebft cho 3 th\u00ec hi\u1ec7u \u0111\u00f3 chia h\u1ebft cho 3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <span class='basic_green'>C\u00e1ch 2: <\/span> <br\/> Ta c\u00f3: 920376 - 41205 = 879171 <br\/> 83194 - 27150 = 56044 <br\/> S\u1ed1 879171 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 7 + 9 + 1 + 7 + 1 = 33 <br\/> V\u00ec 33 $\\vdots$ 3 $\\Rightarrow$ 879171 $\\vdots$ 3 hay (920376 - 41205) $ \\vdots$ 3 <br\/> S\u1ed1 56044 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 5 + 6 + 0 + 4 + 4 = 19 <br\/> V\u00ec 19 $\\not \\vdots$ 3 $\\Rightarrow$ 56044 $\\not \\vdots$ 3 hay (83194 - 27150) $\\not \\vdots$ 3 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":520},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/8.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn ph\u00e9p t\u00ednh n\u00e0o c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 chia h\u1ebft cho 9","select":["A. 381472 - 9721","B. 79470 - 36900 "],"hint":"T\u00ednh hi\u1ec7u r\u1ed3i t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a m\u1ed7i hi\u1ec7u tr\u00ean","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <span class='basic_green'> C\u00e1ch 1:<\/span> <br\/> \u00c1p d\u1ee5ng t\u00ednh ch\u1ea5t chia h\u1ebft c\u1ee7a m\u1ed9t hi\u1ec7u x\u00e9t t\u1eebng s\u1ed1 trong hi\u1ec7u xem c\u00f3 chia h\u1ebft cho 9 kh\u00f4ng <br\/> N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 trong hi\u1ec7u \u0111\u1ec1u chia h\u1ebft cho 9 th\u00ec hi\u1ec7u chia h\u1ebft cho 9 <br\/> <span class='basic_green'>C\u00e1ch 2: <\/span> <br\/> T\u00ednh c\u00e1c hi\u1ec7u tr\u00ean sau \u0111\u00f3 t\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a m\u1ed7i hi\u1ec7u <br\/> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a hi\u1ec7u n\u00e0o chia h\u1ebft cho 9 th\u00ec hi\u1ec7u \u0111\u00f3 chia h\u1ebft cho 9 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <span class='basic_green'> C\u00e1ch 2: <\/span> <br\/> Ta c\u00f3: 381472 - 9721 = 371751 <br\/> 79470 - 36900 = 42570 <br\/> S\u1ed1 371751 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 3 + 7 + 1 + 7 + 5 + 1 = 24 <br\/> V\u00ec 24 $\\not \\vdots$ 9 $\\Rightarrow$ 371751 $\\not \\vdots$ 9 hay (381472 - 9721) $ \\not \\vdots$ 9 <br\/> S\u1ed1 42570 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 4 + 2 + 5 + 7 + 0 = 18 <br\/> V\u00ec 18 $\\vdots$ 9 $\\Rightarrow$ 42570 $\\vdots$ 9 hay (79470 - 36900) $ \\vdots$ 9 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span> ","column":2}]}],"id_ques":521},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/8.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn ph\u00e9p t\u00ednh n\u00e0o c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 chia h\u1ebft cho 9","select":["A. 358 . 18 - 9 . 472","B. 27 . 437 - 8 . 271 "],"hint":"D\u1ef1a v\u00e0o t\u00ednh ch\u1ea5t chia h\u1ebft c\u1ee7a m\u1ed9t hi\u1ec7u","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> D\u1ef1a v\u00e0o t\u00ednh ch\u1ea5t chia h\u1ebft c\u1ee7a m\u1ed9t hi\u1ec7u <br\/> X\u00e9t t\u1eebng hi\u1ec7u tr\u00ean: N\u1ebfu c\u1ea3 s\u1ed1 b\u1ecb tr\u1eeb v\u00e0 s\u1ed1 tr\u1eeb \u0111\u1ec1u chia h\u1ebft cho 9 th\u00ec hi\u1ec7u \u0111\u00f3 chia h\u1ebft cho 9 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: 18 . 358 $\\vdots$ 9 (v\u00ec 18 $\\vdots$ 9) v\u00e0 9 . 472 $\\vdots$ 9 <br\/> $\\Rightarrow$ (358 . 18 - 9 . 472) $\\vdots$ 9 <br\/> +) 27 . 437 $\\vdots$ 9 (v\u00ec 27 $\\vdots$ 9) <br\/> 8 . 271 $\\vdots$ 9 (v\u00ec 8 $\\vdots$ 9 v\u00e0 271 $\\vdots$ 9) <br\/> $\\Rightarrow$ (27 . 437 - 8 . 271) $\\not \\vdots$ 9 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span> ","column":2}]}],"id_ques":522},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/3.jpg' \/><\/center> <br\/> Kh\u00f4ng l\u00e0m t\u00ednh chia h\u00e3y t\u00ecm d\u01b0 trong ph\u00e9p chia 91427 : 3. D\u01b0 l\u00e0:","select":["A. 1","B. 2 ","C. 3","D. 0 "],"hint":"N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a A chia 3 d\u01b0 m th\u00ec A chia 3 d\u01b0 m ","explain":"<span class='basic_left'><span class='basic_green'> H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 91427 <br\/> <b> B\u01b0\u1edbc 2: <\/b> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a 91427 chia 3 d\u01b0 m th\u00ec 91427 chia 3 d\u01b0 m <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 91427 l\u00e0: 9 + 1 + 4 + 2 + 7 = 23 <br\/> V\u00ec 23 = 3 . 7 + 2 n\u00ean 91427 chia 3 d\u01b0 2 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":4}]}],"id_ques":523},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/3.jpg' \/><\/center> <br\/> Kh\u00f4ng l\u00e0m t\u00ednh chia h\u00e3y t\u00ecm d\u01b0 trong ph\u00e9p chia 38143 : 3. D\u01b0 l\u00e0:","select":["A. 1","B. 2 ","C. 3","D. 0 "],"hint":"N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a A chia 3 d\u01b0 m th\u00ec A chia 3 d\u01b0 m ","explain":"<span class='basic_left'><span class='basic_green'> H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 38143 <br\/> <b> B\u01b0\u1edbc 2: <\/b> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a 38143 chia 3 d\u01b0 m th\u00ec 38143 chia 3 d\u01b0 m <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 38143 l\u00e0: 3 + 8 + 1 + 4 + 3 = 19 <br\/> V\u00ec 19 = 3 . 6 + 1 n\u00ean 38143 chia 3 d\u01b0 1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":4}]}],"id_ques":524},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["91425"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/11.jpg' \/><\/center> <br\/> Cho c\u00e1c s\u1ed1 91425; 83173; 9416; 83061 <br\/> S\u1ed1 chia h\u1ebft cho 3 m\u00e0 kh\u00f4ng chia h\u1ebft cho 9 l\u00e0: _input_ ","hint":"D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 3 v\u00e0 d\u1ea5u hi\u1ec7u chia h\u1ebft cho 9","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n <br\/> <b> B\u01b0\u1edbc 2: <\/b> D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 3, cho 9 \u0111\u1ec3 t\u00ecm s\u1ed1 chia h\u1ebft cho 3 m\u00e0 kh\u00f4ng chia h\u1ebft cho 9 <br\/> S\u1ed1 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\/> +) S\u1ed1 91425 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 4 + 2 + 5 = 21 <br\/> V\u00ec 21 $\\vdots$ 3 v\u00e0 21 $\\not \\vdots$ 9 $\\Rightarrow$ <b> 91425 $\\vdots$ 3 nh\u01b0ng 91425 $\\not \\vdots$ 9 <\/b><br\/> +) S\u1ed1 83173 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 3 + 1 + 7 + 3 = 22 <br\/> V\u00ec 22 $\\not \\vdots$ 3 v\u00e0 22 $\\not \\vdots$ 9 $\\Rightarrow$ 83173 $\\not \\vdots$ 3 v\u00e0 83173 $\\not \\vdots$ 9 <br\/> +) S\u1ed1 9416 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 1 + 6 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 3 v\u00e0 20 $\\not \\vdots$ 9 $\\Rightarrow$ 9416 $\\not \\vdots$ 3 v\u00e0 9416 $\\not \\vdots$ 9 <br\/> +) S\u1ed1 83061 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 3 + 0 + 6 + 1 = 18 <br\/> V\u00ec 18 $\\vdots$ 9 $\\Rightarrow$ 83061 $\\vdots$ 9 v\u00e0 83061 $\\vdots$ 3 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 91425 <\/span> <br\/> <span class='basic_green'> <i> L\u01b0u \u00fd: <\/b> S\u1ed1 chia h\u1ebft cho 9 th\u00ec chia h\u1ebft cho 3 nh\u01b0ng s\u1ed1 chia h\u1ebft cho 3 th\u00ec ch\u01b0a ch\u1eafc \u0111\u00e3 chia h\u1ebft cho 9 <br\/> S\u1ed1 kh\u00f4ng chia h\u1ebft cho 3 th\u00ec kh\u00f4ng chia h\u1ebft cho 9<\/span> "}]}],"id_ques":525},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["83061"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/11.jpg' \/><\/center> <br\/> Cho c\u00e1c s\u1ed1 91425; 83173; 9416; 83061 <br\/> S\u1ed1 chia h\u1ebft cho 9 l\u00e0: _input_ ","hint":"D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 9","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a t\u1eebng s\u1ed1 trong \u0111\u00e1p \u00e1n <br\/> <b> B\u01b0\u1edbc 2: <\/b> D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u chia h\u1ebft cho 9 \u0111\u1ec3 t\u00ecm s\u1ed1 chia h\u1ebft cho 9 <br\/> S\u1ed1 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\/> +) S\u1ed1 91425 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 1 + 4 + 2 + 5 = 21 <br\/> V\u00ec 21 $\\not \\vdots$ 9 $\\Rightarrow$ 91425 $\\not \\vdots$ 9 <br\/> +) S\u1ed1 83173 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 3 + 1 + 7 + 3 = 22 <br\/> V\u00ec 22 $\\not \\vdots$ 9 $\\Rightarrow$ 83173 $\\not \\vdots$ 9 <br\/> +) S\u1ed1 9416 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 9 + 4 + 1 + 6 = 20 <br\/> V\u00ec 20 $\\not \\vdots$ 9 $\\Rightarrow$ 9416 $\\not \\vdots$ 9 <br\/> +) S\u1ed1 83061 c\u00f3 t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 l\u00e0: 8 + 3 + 0 + 6 + 1 = 18 <br\/> V\u00ec 18 $\\vdots$ 9 $\\Rightarrow$ <b> 83061 $\\vdots$ 9 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 83061 <\/span> <br\/> <span class='basic_green'> <i> L\u01b0u \u00fd: <\/b> S\u1ed1 chia h\u1ebft cho 9 th\u00ec chia h\u1ebft cho 3 nh\u01b0ng s\u1ed1 chia h\u1ebft cho 3 th\u00ec ch\u01b0a ch\u1eafc \u0111\u00e3 chia h\u1ebft cho 9 <br\/> S\u1ed1 kh\u00f4ng chia h\u1ebft cho 3 th\u00ec kh\u00f4ng chia h\u1ebft cho 9 <\/span> "}]}],"id_ques":526},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/1.png' \/><\/center> <br\/> S\u1ed1 941208 chia h\u1ebft cho 3 nh\u01b0ng kh\u00f4ng chia h\u1ebft cho 9 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"X\u00e9t t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 941208","explain":"<span class='basic_left'><span class='basic_green'> H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 941208 <br\/> <b> B\u01b0\u1edbc 2: <\/b> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 941208 chia h\u1ebft cho 3 ho\u1eb7c 9 th\u00ec 941208 chia h\u1ebft cho 3 ho\u1eb7c 9 <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 941208 l\u00e0: 9 + 4 + 1 + 2 + 0 + 8 = 24 <br\/> V\u00ec 24 $\\vdots$ 3 v\u00e0 24 $\\not \\vdots$ 9 <br\/> $\\Rightarrow$ 941208 $\\vdots$ 3 nh\u01b0ng 941208 $\\not \\vdots$ 9 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":527},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/1.png' \/><\/center> <br\/> S\u1ed1 472908 chia h\u1ebft cho 3 v\u00e0 chia h\u1ebft cho 9 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"X\u00e9t t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 472908","explain":"<span class='basic_left'><span class='basic_green'> H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 472908 <br\/> <b> B\u01b0\u1edbc 2: <\/b> N\u1ebfu t\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 472908 chia h\u1ebft cho 3 ho\u1eb7c 9 th\u00ec 472908 chia h\u1ebft cho 3 ho\u1eb7c 9 <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1ed5ng c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 472908 l\u00e0: 4 + 7 + 2 + 9 + 0 + 8 = 30 <br\/> V\u00ec 30 $\\vdots$ 3 v\u00e0 30 $\\not \\vdots$ 9 <br\/> $\\Rightarrow$ 472908 $\\vdots$ 3 nh\u01b0ng 472908 $\\not \\vdots$ 9 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> SAI <\/b> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":528},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/11.jpg' \/><\/center> <br\/> M\u1ed9t s\u1ed1 chia h\u1ebft cho 3 th\u00ec chia h\u1ebft cho 9 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i: <\/span> <br\/> M\u1ed9t s\u1ed1 chia h\u1ebft cho 3 ch\u01b0a ch\u1eafc \u0111\u00e3 chia h\u1ebft cho 9 <br\/> V\u00ec d\u1ee5: 21 $\\vdots$ 3 nh\u01b0ng 21 $\\not \\vdots$ 9 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> SAI <\/b> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":529},{"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='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai11/lv1/img\/11.jpg' \/><\/center> <br\/> Trong m\u1ed9t t\u1ed5ng m\u00e0 c\u00e1c s\u1ed1 h\u1ea1ng \u0111\u1ec1u chia h\u1ebft cho 3 th\u00ec t\u1ed5ng \u0111\u00f3 chia h\u1ebft cho 3 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i: <\/span> <br\/> Trong m\u1ed9t t\u1ed5ng n\u1ebfu m\u1ecdi s\u1ed1 h\u1ea1ng \u0111\u1ec1u chia h\u1ebft cho 3 th\u00ec t\u1ed5ng chia h\u1ebft cho 3 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":530}],"lesson":{"save":0,"level":1}}