{"segment":[{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["137"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"Vi\u1ebft s\u1ed1 t\u1ef1 nhi\u00ean g\u1ed3m 13 ch\u1ee5c v\u00e0 7 \u0111\u01a1n v\u1ecb. <br\/> S\u1ed1 \u0111\u00f3 l\u00e0: _input_","hint":"\u0110\u1ed5i: 13 ch\u1ee5c = ? \u0111\u01a1n v\u1ecb sau \u0111\u00f3 c\u1ed9ng l\u1ea1i","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>\u0110\u1ed5i: 13 ch\u1ee5c = 130 \u0111\u01a1n v\u1ecb<br\/> <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>\u0110\u1ed5i: 13 ch\u1ee5c = 130 \u0111\u01a1n v\u1ecb <br\/>V\u1eady s\u1ed1 g\u1ed3m 13 ch\u1ee5c 7 \u0111\u01a1n v\u1ecb l\u00e0 s\u1ed1: <br\/>130 + 7 = 137 \u0111\u01a1n v\u1ecb<\/span> <br\/><span class='basic_pink'>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 137<\/span>"}]}],"id_ques":51},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["1835"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"Vi\u1ebft s\u1ed1 t\u1ef1 nhi\u00ean g\u1ed3m 18 tr\u0103m, 3 ch\u1ee5c v\u00e0 5 \u0111\u01a1n v\u1ecb. <br\/> S\u1ed1 \u0111\u00f3 l\u00e0: _input_","hint":"\u0110\u1ed5i 18 tr\u0103m = ? \u0111\u01a1n v\u1ecb; 3 ch\u1ee5c = ? \u0111\u01a1n v\u1ecb sau \u0111\u00f3 c\u1ed9ng l\u1ea1i","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> \u0110\u1ed5i 18 tr\u0103m = ? \u0111\u01a1n v\u1ecb <br\/> 3 ch\u1ee5c = ? \u0111\u01a1n v\u1ecb <br\/>Sau \u0111\u00f3 c\u1ed9ng c\u00e1c k\u1ebft qu\u1ea3 l\u1ea1i <br\/><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>\u0110\u1ed5i: 18 tr\u0103m = 1800 \u0111\u01a1n v\u1ecb <br\/> 3 ch\u1ee5c = 30 \u0111\u01a1n v\u1ecb <br\/> S\u1ed1 g\u1ed3m 18 tr\u0103m 3 ch\u1ee5c v\u00e0 5 \u0111\u01a1n v\u1ecb l\u00e0: <br\/> 1800 + 30 + 5 = 1835 \u0111\u01a1n v\u1ecb<\/span> <br\/><span class='basic_pink'>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 1835<\/span>"}]}],"id_ques":52},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["4"],["9"],["7"],["2"],["3"],["8"],["1"],["5"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"H\u00e3y \u0111i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng <br\/> <table><tr><th>S\u1ed1 \u0111\u00e3 cho<br><\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ngh\u00ecn<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb<br><\/th><th><\/th><\/tr><tr><td>4972<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td><\/td><\/tr><tr><td>3815<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td><\/td><\/tr><\/table>","hint":"Vi\u1ebft c\u00e1c ch\u1eef s\u1ed1 l\u1ea7n l\u01b0\u1ee3t theo c\u1ea5u t\u1ea1o s\u1ed1","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb <br\/> Ch\u1eef s\u1ed1 th\u1ee9 hai t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c <br\/> Ch\u1eef s\u1ed1 th\u1ee9 3 t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m <br\/> Ch\u1eef s\u1ed1 th\u1ee9 4 t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng ngh\u00ecn <br\/><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> S\u1ed1 4972 c\u00f3 4 ngh\u00ecn, 9 tr\u0103m, 4 ch\u1ee5c v\u00e0 7 \u0111\u01a1n v\u1ecb <br\/> S\u1ed1 3815 c\u00f3 3 ngh\u00ecn, 8 tr\u0103m, 1 ch\u1ee5c v\u00e0 5 \u0111\u01a1n v\u1ecb <br\/> N\u00ean ta c\u00f3 c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <br\/><table><tr><th>S\u1ed1 \u0111\u00e3 cho<br><\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ngh\u00ecn<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb<br><\/th><th><\/th><\/tr><tr><td>4972<\/td><td>4<\/td><td>9<\/td><td>7<\/td><td>2<\/td><td><\/td><\/tr><tr><td>3815<\/td><td>3<\/td><td>8<\/td><td>1<\/td><td>5<\/td><td><\/td><\/tr><\/table>"}]}],"id_ques":53},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["3"],["8"],["5"],["9"],["9"],["7"],["0"],["5"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"H\u00e3y \u0111i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng <br\/> <table><tr><th>S\u1ed1 \u0111\u00e3 cho<br><\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ngh\u00ecn<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb<br><\/th><th><\/th><\/tr><tr><td>3859<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td><\/td><\/tr><tr><td>9705<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td><\/td><\/tr><\/table>","hint":"Vi\u1ebft c\u00e1c ch\u1eef s\u1ed1 l\u1ea7n l\u01b0\u1ee3t theo c\u1ea5u t\u1ea1o s\u1ed1","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb <br\/> Ch\u1eef s\u1ed1 th\u1ee9 hai t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c <br\/> Ch\u1eef s\u1ed1 th\u1ee9 3 t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m <br\/> Ch\u1eef s\u1ed1 th\u1ee9 4 t\u1eeb ph\u1ea3i sang tr\u00e1i l\u00e0 ch\u1eef s\u1ed1 h\u00e0ng ngh\u00ecn <br\/><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> S\u1ed1 3859 c\u00f3 3 ngh\u00ecn, 8 tr\u0103m, 5 ch\u1ee5c v\u00e0 9 \u0111\u01a1n v\u1ecb <br\/> S\u1ed1 9705 c\u00f3 9 ngh\u00ecn, 7 tr\u0103m, 0 ch\u1ee5c v\u00e0 5 \u0111\u01a1n v\u1ecb <br\/> N\u00ean ta c\u00f3 c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <br\/><table><tr><th>S\u1ed1 \u0111\u00e3 cho<br><\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ngh\u00ecn<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng tr\u0103m<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng ch\u1ee5c<\/th><th>Ch\u1eef s\u1ed1 h\u00e0ng \u0111\u01a1n v\u1ecb<br><\/th><th><\/th><\/tr><tr><td>3859<\/td><td>3<\/td><td>8<\/td><td>5<\/td><td>9<\/td><td><\/td><\/tr><tr><td>9705<\/td><td>9<\/td><td>7<\/td><td>0<\/td><td>5<\/td><td><\/td><\/tr><\/table>"}]}],"id_ques":54},{"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":"T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 11528 l\u00e0:","select":["A = {1; 5; 8} ","B = {1; 1; 5; 2} ","C = {1; 5; 2; 8} ","D = {1; 2; 8; 1} "],"hint":"Li\u1ec7t k\u00ea c\u00e1c ch\u1eef s\u1ed1 trong s\u1ed1 11528 m\u1ed7i ch\u1eef s\u1ed1 ch\u1ec9 l\u1ea5y 1 l\u1ea7n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/>Li\u1ec7t k\u00ea c\u00e1c ch\u1eef s\u1ed1 trong s\u1ed1 11528 m\u1ed7i ch\u1eef s\u1ed1 ch\u1ec9 l\u1ea5y 1 l\u1ea7n <br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> T\u1eadp h\u1ee3p c\u00e1c ch\u1eef s\u1ed1 trong s\u1ed1 11528 l\u00e0: {1; 2; 5; 8} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}],"id_ques":55},{"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":"T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c ch\u1eef s\u1ed1 c\u1ee7a s\u1ed1 421973 l\u00e0:","select":["A = {4; 1; 3; 5; 9} ","B = {1; 3; 9; 7; 4} ","C = {9; 4; 7; 1; 8} ","D = {4; 2; 9; 7; 1; 3} "],"hint":"Li\u1ec7t k\u00ea c\u00e1c ch\u1eef s\u1ed1 trong s\u1ed1 421973 m\u1ed7i ch\u1eef s\u1ed1 ch\u1ec9 l\u1ea5y 1 l\u1ea7n","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/>Li\u1ec7t k\u00ea c\u00e1c ch\u1eef s\u1ed1 trong s\u1ed1 421973 m\u1ed7i ch\u1eef s\u1ed1 ch\u1ec9 l\u1ea5y 1 l\u1ea7n <br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c ch\u1eef s\u1ed1 trong s\u1ed1 421973 l\u00e0: {4; 2; 1; 9; 7; 3} <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":56},{"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":"S\u1ed1 li\u1ec1n sau s\u1ed1 9134 l\u00e0:","select":["A. 9132 ","B. 9135 ","C. 9136","D. 9131 "],"hint":"S\u1ed1 li\u1ec1n sau l\u00e0 s\u1ed1 l\u1edbn h\u01a1n s\u1ed1 \u0111\u00f3 1 \u0111\u01a1n v\u1ecb","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/>S\u1ed1 li\u1ec1n sau l\u00e0 s\u1ed1 l\u1edbn h\u01a1n s\u1ed1 \u0111\u00f3 1 \u0111\u01a1n v\u1ecb<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> S\u1ed1 li\u1ec1n sau s\u1ed1 9134 l\u00e0 s\u1ed1: 9135<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B<\/span>","column":2}]}],"id_ques":57},{"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":"S\u1ed1 li\u1ec1n sau s\u1ed1 99999 l\u00e0:","select":["A. 99998 ","B. 9998 ","C. 10000","D. 100000 "],"hint":"S\u1ed1 li\u1ec1n sau l\u00e0 s\u1ed1 l\u1edbn h\u01a1n s\u1ed1 \u0111\u00f3 1 \u0111\u01a1n v\u1ecb","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/>S\u1ed1 li\u1ec1n sau l\u00e0 s\u1ed1 l\u1edbn h\u01a1n s\u1ed1 \u0111\u00f3 1 \u0111\u01a1n v\u1ecb<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> S\u1ed1 li\u1ec1n sau s\u1ed1 99999 l\u00e0 s\u1ed1: 100000<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":58},{"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":" T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean chia h\u1ebft cho 3 v\u00e0 nh\u1ecf h\u01a1n 20 l\u00e0:","select":["A. $A = \\left\\{x \\in \\mathbb{N} | x < 20; \\text{x chia h\u1ebft cho 3} \\right\\}$","B. $A = \\left\\{0; 3; 6; 9; 12; 15; 18 \\right\\}$ ","C. $A = \\left\\{3; 6; 9; 12; 15; 18; 21 \\right\\}$ ","D. C\u1ea3 A v\u00e0 B \u0111\u1ec1u \u0111\u00fang"],"hint":"Li\u1ec7t k\u00ea c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean chia h\u1ebft cho 3 v\u00e0 nh\u1ecf h\u01a1n 20","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n xem \u0111\u00e1p \u00e1n n\u00e0o \u0111\u00fang<\/span> <br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/><br\/> C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean chia h\u1ebft cho 3 v\u00e0 nh\u1ecf h\u01a1n 20 l\u00e0: 0; 3; 6; 9; 12; 15; 18<br\/> V\u1eady \u0111\u00e1p \u00e1n A v\u00e0 B \u0111\u00fang<span class='basic_pink'> <br\/>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":59},{"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":" T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng l\u1edbn h\u01a1n 18 v\u00e0 kh\u00f4ng nh\u1ecf h\u01a1n 12 l\u00e0:","select":["A. $A = \\left\\{x \\in \\mathbb{N} | 12 < x < 18 \\right\\}$","B. $A = \\left\\{x \\in \\mathbb{N} | 12 \\leq x < 18 \\right\\}$ ","C. $A = \\left\\{x \\in \\mathbb{N} | 12 < x \\leq 18 \\right\\}$ ","D. $A = \\left\\{x \\in \\mathbb{N} | 12 \\leq x \\leq 18 \\right\\}$"],"hint":"Kh\u00f4ng l\u1edbn h\u01a1n 18 c\u00f3 ngh\u0129a l\u00e0 nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 18 <br\/> Kh\u00f4ng nh\u1ecf h\u01a1n 12 c\u00f3 ngh\u0129a l\u00e0 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 12","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> Kh\u00f4ng l\u1edbn h\u01a1n 18 c\u00f3 ngh\u0129a l\u00e0 nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 18 <br\/> Kh\u00f4ng nh\u1ecf h\u01a1n 12 c\u00f3 ngh\u0129a l\u00e0 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 12 <br\/> V\u1eady t\u00e2p h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng l\u1edbn h\u01a1n 18 v\u00e0 kh\u00f4ng nh\u1ecf h\u01a1n 12 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 12, nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 18<\/span> <br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/><br\/> C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng l\u1edbn h\u01a1n 18 l\u00e0: $x \\leq 18 $ <br\/> C\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng nh\u1ecf h\u01a1n 12 l\u00e0: $12 \\leq x$ <br\/> K\u1ebft h\u1ee3p c\u00e1c \u0111i\u1ec1u ki\u1ec7n tr\u00ean ta c\u00f3: $12 \\leq x \\leq 18 $ <span class='basic_pink'> <br\/>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D<\/span>","column":2}]}],"id_ques":60},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["2016"],["2017"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c 3 s\u1ed1 t\u0103ng d\u1ea7n li\u00ean ti\u1ebfp<br\/> <br\/> _input_ ; _input_ ; 2018","hint":"T\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 2018 sau \u0111\u00f3 t\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 v\u1eeba t\u00ecm","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 2018 sau \u0111\u00f3 t\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 v\u1eeba t\u00ecm<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> S\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 2018 l\u00e0: 2017 <br\/> S\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 2017 l\u00e0: 2016 <br\/> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0: <span class='basic_pink'>2016; 2017<\/span>"}]}],"id_ques":61},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["18564"],["18566"]]],"list":[{"point":5,"width":70,"content":"","type_input":"","ques":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c 3 s\u1ed1 t\u0103ng d\u1ea7n li\u00ean ti\u1ebfp<br\/> <br\/> _input_ ;18565; _input_ ","hint":"T\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 18565 sau \u0111\u00f3 t\u00ecm s\u1ed1 li\u1ec1n sau s\u1ed1 18565","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 18565 \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng th\u1ee9 nh\u1ea5t <br\/> T\u00ecm s\u1ed1 li\u1ec1n sau s\u1ed1 18565 r\u1ed3i \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng th\u1ee9 2<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> S\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 18565 l\u00e0: 18564 <br\/> S\u1ed1 li\u1ec1n sau s\u1ed1 18565 l\u00e0: 18566 <br\/> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0: <span class='basic_pink'>18564; 18566<\/span>"}]}],"id_ques":62},{"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":"S\u1ed1 15 trong h\u1ec7 La M\u00e3 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0:","select":["A. XIII","B. XIV ","C. XV ","D. XIIIII"],"hint":"Trong h\u1ec7 La M\u00e3 s\u1ed1 10 l\u00e0 X, s\u1ed1 5 l\u00e0 V","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>V\u00ec trong h\u1ec7 La M\u00e3 s\u1ed1 10 vi\u1ebft l\u00e0 X, s\u1ed1 5 vi\u1ebft l\u00e0 V <br\/> S\u1ed1 15 \u0111\u01b0\u1ee3c gh\u00e9p t\u1eeb s\u1ed1 10 v\u1edbi s\u1ed1 5<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec trong h\u1ec7 La M\u00e3 s\u1ed1 10 vi\u1ebft l\u00e0 X, s\u1ed1 5 vi\u1ebft l\u00e0 V <br\/> N\u00ean trong h\u1ec7 La M\u00e3 s\u1ed1 15 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0: XV <\/b> <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span><br\/>","column":2}]}],"id_ques":63},{"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":"S\u1ed1 18 trong h\u1ec7 La M\u00e3 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0:","select":["A. XVIII","B. XIX ","C. XVII ","D. XIIIIIIII"],"hint":"V\u00ec trong h\u1ec7 La M\u00e3 kh\u00f4ng c\u00f3 s\u1ed1 8 n\u00ean s\u1ed1 18 \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh 10; 5 v\u00e0 3 t\u1eeb \u0111\u00f3 gh\u00e9p c\u00e1c s\u1ed1 La M\u00e3 \u0111\u1ec3 \u0111\u01b0\u1ee3c s\u1ed1 18","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>V\u00ec trong h\u1ec7 La M\u00e3 kh\u00f4ng c\u00f3 s\u1ed1 8 n\u00ean s\u1ed1 18 \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh 10; 5 v\u00e0 3 t\u1eeb \u0111\u00f3 gh\u00e9p c\u00e1c s\u1ed1 La M\u00e3 l\u1ea1i <br\/> <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec trong h\u1ec7 La M\u00e3 s\u1ed1 18 \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh 10; 5; 3 <br\/> S\u1ed1 10 l\u00e0: X, s\u1ed1 5 l\u00e0: V, s\u1ed1 3 l\u00e0: III <br\/>N\u00ean trong h\u1ec7 La M\u00e3 s\u1ed1 18 \u0111\u01b0\u1ee3c vi\u1ebft l\u00e0: XVIII <\/b> <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span><br\/>","column":2}]}],"id_ques":64},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["4912"]]],"list":[{"point":5,"width":70,"content":"","type_input":"","ques":"S\u1ed1 49120 c\u00f3 s\u1ed1 ch\u1ee5c l\u00e0: _input_ ch\u1ee5c ","hint":"T\u00e1ch s\u1ed1 49120 ra theo c\u1ea5u t\u1ea1o s\u1ed1 \u0111\u1ec3 t\u00ecm s\u1ed1 ch\u1ee5c","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00e1ch 49120 theo t\u1eebng h\u00e0ng \u0111\u1ec3 t\u00ecm s\u1ed1 ch\u1ee5c<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \\begin{align*}49120 = &40 000 + 9 000 + 100 + 20 + 0 \\\\ =& 4000 \\text {ch\u1ee5c} + 900 \\text{ch\u1ee5c} + 10 \\text{ch\u1ee5c} + 2 \\text{ch\u1ee5c} \\\\ =&4912 \\text{ch\u1ee5c}\\end{align*} V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <span class='basic_pink'>4912<\/span>"}]}],"id_ques":65},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["271"]]],"list":[{"point":5,"width":70,"content":"","type_input":"","ques":"S\u1ed1 2715 c\u00f3 s\u1ed1 ch\u1ee5c l\u00e0: _input_ ch\u1ee5c ","hint":"T\u00e1ch s\u1ed1 2715 ra theo c\u1ea5u t\u1ea1o s\u1ed1 \u0111\u1ec3 t\u00ecm s\u1ed1 ch\u1ee5c","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00e1ch 2715 theo t\u1eebng h\u00e0ng \u0111\u1ec3 t\u00ecm s\u1ed1 ch\u1ee5c<\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \\begin{align*}2715 = &2 000 + 700 + 10 + 5 \\\\ =& 200 \\text {ch\u1ee5c} + 700 \\text{ch\u1ee5c} + 1 \\text{ch\u1ee5c} + 5 \\text{\u0111\u01a1n v\u1ecb} \\\\ =&271 \\text{ch\u1ee5c} + 5 \\text{\u0111\u01a1n v\u1ecb}\\end{align*} V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: <span class='basic_pink'>271<\/span>"}]}],"id_ques":66},{"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":"T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0:","select":["$\\mathbb {N}$","${\\mathbb {N}^{*}}$ ","$A$ ","$B$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0: $\\mathbb {N}$<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0: $\\mathbb {N}$<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: $\\mathbb {N}$<\/span><br\/>","column":2}]}],"id_ques":67},{"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":"T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00e1c 0 \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0:","select":["$\\mathbb {N}$","${\\mathbb {N}^{*}}$ ","$A$ ","$B$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00e1c 0 \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0: ${\\mathbb {N}^{*}}$<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> T\u1eadp h\u1ee3p c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0: ${\\mathbb {N}^{*}}$<br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: ${\\mathbb {N}^{*}}$<\/span><br\/>","column":2}]}],"id_ques":68},{"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":"Cho 2 s\u1ed1 t\u1ef1 nhi\u00ean a; b. N\u1ebfu a nh\u1ecf h\u01a1n b ho\u1eb7c a b\u1eb1ng b ta vi\u1ebft l\u00e0","select":["$a < b$","$a \\leq b$ ","$a = b$ "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <br\/> N\u1ebfu a nh\u1ecf h\u01a1n b ho\u1eb7c a b\u1eb1ng b ta vi\u1ebft l\u00e0: $a \\leq b$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: $a \\leq b$","column":3}]}],"id_ques":69},{"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":"S\u1ed1 t\u1ef1 nhi\u00ean l\u1edbn nh\u1ea5t l\u00e0 s\u1ed1:","select":["A. 1 000","B. 1 000 000 000 ","C. 999 999 999 ","D. Kh\u00f4ng c\u00f3 s\u1ed1 t\u1ef1 nhi\u00ean l\u1edbn nh\u1ea5t"],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i: <\/span> <br\/><br\/> Trong t\u1eadp h\u1ee3p s\u1ed1 t\u1ef1 nhi\u00ean kh\u00f4ng c\u00f3 s\u1ed1 n\u00e0o l\u1edbn nh\u1ea5t <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. Kh\u00f4ng c\u00f3 s\u1ed1 t\u1ef1 nhi\u00ean l\u1edbn nh\u1ea5t<br\/>","column":2}]}],"id_ques":70}],"lesson":{"save":0,"level":1}}