{"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_random","correct":[[["17"],["19"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/10.jpg' \/><\/center> <br\/> H\u00e3y vi\u1ebft s\u1ed1 sau d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng c\u1ee7a hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp. <br\/> 36 = _input_ + _input_","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: 36 = 31 + 5 = 17 + 19 = 29 + 7 = 23 + 13 <br\/> Trong c\u00e1c t\u1ed5ng tr\u00ean th\u00ec ch\u1ec9 c\u00f3 17; 19 l\u00e0 hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 17; 19 <\/span>"}]}],"id_ques":631},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["41"],["43"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/10.jpg' \/><\/center> <br\/> H\u00e3y vi\u1ebft s\u1ed1 sau d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng c\u1ee7a hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp. <br\/> 84 = _input_ + _input_","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: 84 = 41 + 43 = 83 + 1 = 73 + 11 = 71 + 13 = ... <br\/> Trong c\u00e1c t\u1ed5ng tr\u00ean th\u00ec ch\u1ec9 c\u00f3 41; 43 l\u00e0 hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 41; 43 <\/span>"}]}],"id_ques":632},{"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/bai13/lv2/img\/2.jpg' \/><\/center> <br\/> S\u1ed1 687 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: S\u1ed1 687 $\\vdots$ 3 $\\Rightarrow$ 687 c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc <br\/> $\\Rightarrow$ S\u1ed1 687 l\u00e0 h\u1ee3p s\u1ed1 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> SAI <\/b> ","column":2}]}],"id_ques":633},{"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/bai13/lv2/img\/2.jpg' \/><\/center> <br\/> S\u1ed1 997 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u01a1 h\u01a1n 1000","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 1000 ta c\u00f3: <br\/> S\u1ed1 997 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":634},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["6"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/3.jpg' \/><\/center> <br\/> C\u00f3 bao nhi\u00eau s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 3? <br\/> \u0110\u00e1p \u00e1n l\u00e0: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 t\u00ecm c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 v\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 3 sau \u0111\u00f3 \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng <br\/> <b> C\u00e1ch 2: <\/b> X\u00e9t c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 3 xem s\u1ed1 n\u00e0o l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> \u0110\u1ebfm s\u1ed1 l\u01b0\u1ee3ng c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u00f3<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3 c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 3 l\u00e0: 13; 23; 43; 53; 73; 83 <br\/> V\u1eady c\u00f3 6 s\u1ed1 s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 3 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 6 <\/span>"}]}],"id_ques":635},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["5"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/3.jpg' \/><\/center> <br\/> C\u00f3 bao nhi\u00eau s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 9? <br\/> \u0110\u00e1p \u00e1n l\u00e0: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 t\u00ecm c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 v\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 9 sau \u0111\u00f3 \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng <br\/> <b> C\u00e1ch 2: <\/b> X\u00e9t c\u00e1c s\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 9 xem s\u1ed1 n\u00e0o l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> \u0110\u1ebfm s\u1ed1 l\u01b0\u1ee3ng c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u00f3<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3 c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 9 l\u00e0: 19; 29; 59; 79; 89 <br\/> V\u1eady c\u00f3 5 s\u1ed1 s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 hai ch\u1eef s\u1ed1 m\u00e0 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 9 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 5 <\/span>"}]}],"id_ques":636},{"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/bai13/lv2/img\/9.jpg' \/><\/center> <br\/> Ph\u00e2n t\u00edch s\u1ed1 4210 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 ta \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ee9c n\u00e0o sau \u0111\u00e2y?","select":["A. $2. 5 . 421$ ","B. $2 . 3. 5 . 71$ ","C. $2 . 3 . 7 . 37$","D. $2 . 3 . 5 . 7 . 41$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> Ph\u00e2n t\u00edch s\u1ed1 4210 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <b> B\u01b0\u1edbc 2: <\/b> \u0110\u1ed1i chi\u1ebfu v\u00e0 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> S\u1ed1 4210 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 l\u00e0: <br\/> $4210 = 2 . 5 . 421$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":637},{"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/bai13/lv2/img\/9.jpg' \/><\/center> <br\/> Ph\u00e2n t\u00edch s\u1ed1 380 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 ta \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ee9c n\u00e0o sau \u0111\u00e2y?","select":["A. $2 . 5 . 19$ ","B. $2^2 . 5 . 19$ ","C. $2 . 5^2 . 19$","D. $2^3 . 3 . 5 . 19$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00ednh gi\u00e1 tr\u1ecb t\u1eebng bi\u1ec3u th\u1ee9c tr\u00ean v\u00e0 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - Ta c\u00f3 2 . 5 . 19 = 190 $\\neq$ 380 <b> (lo\u1ea1i) <\/b> <br\/> B - V\u00ec $2^2 . 5 . 19 = 380$ <b> (th\u1ecfa m\u00e3n) <\/b> <br\/> C - V\u00ec $2 . 5^2 . 19 = 950$ $\\neq$ 380 <b> (lo\u1ea1i) <\/b> <\/b> <br\/> D - V\u00ec $2^3 . 3 . 5 . 19 = 2280$ $\\neq$ 380 <b> (lo\u1ea1i) <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":638},{"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/bai13/lv2/img\/11.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 nguy\u00ean t\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. $829$ ","B. $735$ ","C. $951$","D. $327$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> S\u1ed1 829 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 735 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (v\u00ec 735 $\\vdots$ 5) <br\/> S\u1ed1 951 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (v\u00ec 951 $\\vdots$ 3) <br\/> S\u1ed1 327 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (v\u00ec 327 $\\vdots$ 3) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":4}]}],"id_ques":639},{"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/bai13/lv2/img\/11.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 nguy\u00ean t\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. $432$ ","B. $757$ ","C. $849$","D. $387$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1 ho\u1eb7c h\u1ee3p s\u1ed1 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> S\u1ed1 432 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (v\u00ec 432 $\\vdots$ 2) <br\/> S\u1ed1 757 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 849 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (v\u00ec 849 $\\vdots$ 3) <br\/> S\u1ed1 387 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (v\u00ec 387 $\\vdots$ 3) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":4}]}],"id_ques":640},{"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":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/8.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn h\u1ee3p s\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. $281$ ","B. $389$ ","C. $683$","D. $741$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1 ho\u1eb7c b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> +) S\u1ed1 281 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> +) S\u1ed1 389 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> +) S\u1ed1 683 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> +) V\u00ec 741 $\\vdots$ 3 n\u00ean 741 c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc (1; 3; 741) <br\/> $\\Rightarrow$ s\u1ed1 741 l\u00e0 h\u1ee3p s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":4}]}],"id_ques":641},{"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/bai13/lv2/img\/8.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn h\u1ee3p s\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. $653$ ","B. $311$ ","C. $822$","D. $839$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1 ho\u1eb7c b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> +) S\u1ed1 653 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> +) S\u1ed1 311 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> +) S\u1ed1 839 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> +) V\u00ec 822 $\\vdots$ 2 n\u00ean 822 c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc (1; 2; 822) <br\/> $\\Rightarrow$ 822 l\u00e0 h\u1ee3p s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":4}]}],"id_ques":642},{"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/bai13/lv2/img\/2.jpg' \/><\/center> <br\/> S = 17 . 19 + 13 . 29 <br\/> Gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c S l\u00e0: ","select":["A. S\u1ed1 nguy\u00ean t\u1ed1 ","B. H\u1ee3p s\u1ed1 "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C<b> B\u01b0\u1edbc 1: <\/b> T\u00ednh gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c S <br\/> <b> B\u01b0\u1edbc 2: <\/b> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1 h\u1ee3p s\u1ed1 ho\u1eb7c b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> S = 17 . 19 + 13 . 29 = 323 + 377 = 700 <br\/> V\u00ec 700 $\\vdots$ 10 $\\Rightarrow$ 700 c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc (1; 10; 700) <br\/> $\\Rightarrow$ 700 l\u00e0 h\u1ee3p s\u1ed1 hay S c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 h\u1ee3p s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":643},{"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/bai13/lv2/img\/2.jpg' \/><\/center> <br\/> S = 5 . 7 . 8 . 9 . 11 - 26813 <br\/> Gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c S l\u00e0: ","select":["A. S\u1ed1 nguy\u00ean t\u1ed1 ","B. H\u1ee3p s\u1ed1 "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C<b> B\u01b0\u1edbc 1: <\/b> T\u00ednh gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c S <br\/> <b> B\u01b0\u1edbc 2: <\/b> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1 h\u1ee3p s\u1ed1 ho\u1eb7c b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> S = 5 . 7 . 8 . 9 . 11 - 26813 = 27720 - 26813 = 907 <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3 907 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> $\\Rightarrow$ S c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":644},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["3"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/7.jpg' \/><\/center> <br\/> T\u00ecm s\u1ed1 nguy\u00ean t\u1ed1 p < 100 sao cho p + 2 v\u00e0 p + 4 c\u0169ng l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> \u0110\u00e1p \u00e1n l\u00e0: p = _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t tr\u01b0\u1eddng h\u1ee3p p = 3 v\u00e0 tr\u01b0\u1eddng h\u1ee3p p $\\neq$ 3 <br\/> N\u1ebfu p $\\neq$ 3 ta x\u00e9t tr\u01b0\u1eddng h\u1ee3p p chia 3 d\u01b0 1 v\u00e0 p chia 3 d\u01b0 2 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec 2 chia 3 d\u01b0 2 v\u00e0 4 chia 3 d\u01b0 1 <br\/> N\u00ean ta x\u00e9t 2 tr\u01b0\u1eddng h\u1ee3p <br\/> Tr\u01b0\u1eddng h\u1ee3p 1: p = 3 $\\Rightarrow$ p + 2 = 3 + 2 = 5; p + 4 = 3 + 4 = 7 \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> Tr\u01b0\u1eddng h\u1ee3p 2: p $\\neq$ 3 <br\/> +) N\u1ebfu p chia 3 d\u01b0 1 $\\Rightarrow$ (p + 2) $\\vdots$ 3 $\\Rightarrow$ p + 2 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> +) N\u1ebfu p chia 3 d\u01b0 2 $\\Rightarrow$ (p + 4) $\\vdots$ 3 $\\Rightarrow$ p + 4 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: p = 3 <\/span> "}]}],"id_ques":645},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["2"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/7.jpg' \/><\/center> <br\/> T\u00ecm s\u1ed1 nguy\u00ean t\u1ed1 p < 10 sao cho p + 1 c\u0169ng l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> \u0110\u00e1p \u00e1n l\u00e0: p = _input_","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec 1 chia 2 d\u01b0 1 n\u00ean ta x\u00e9t hai tr\u01b0\u1eddng h\u1ee3p <br\/> Tr\u01b0\u1eddng h\u1ee3p 1: N\u1ebfu p = 2 $\\Rightarrow$ p + 1 = 3 c\u0169ng l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (th\u1ecfa m\u00e3n) <br\/> Tr\u01b0\u1eddng h\u1ee3p 2: N\u1ebfu p $\\neq$ 2 hay p chia 2 d\u01b0 1 $\\Rightarrow$ (p + 1) $\\vdots$ 2 <br\/> $\\Rightarrow$ p + 1 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: p = 2 <\/span> "}]}],"id_ques":646},{"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/bai13/lv2/img\/13.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn ph\u00e9p t\u00ednh c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 h\u1ee3p s\u1ed1.","select":["A. $15 : (1 + 8 : 2)$ ","B. $(2 + 8 : 2) . 10$ ","C. $(152 - 8 . 2) : 8$","D. $(79 - 7 . 2) : 5$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c bi\u1ec3u th\u1ee9c tr\u00ean v\u00e0 x\u00e9t xem bi\u1ec3u th\u1ee9c n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 h\u1ee3p s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> +) 15 : (1 + 8 : 2) = 15 : (1 + 4) = 3 <br\/> S\u1ed1 3 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> +) (2 + 8 : 2) . 10 = (2 + 4) . 10 = 60 <br\/> S\u1ed1 60 l\u00e0 h\u1ee3p s\u1ed1 (th\u1ecfa m\u00e3n) <br\/> +) (152 - 8 . 2) : 8 = (152 - 16) : 8 = 17 <br\/> S\u1ed1 17 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> +) (79 - 7 . 2) : 5 = (79 - 14) : 5 = 13 <br\/> S\u1ed1 13 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":647},{"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/bai13/lv2/img\/13.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn ph\u00e9p t\u00ednh c\u00f3 k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1","select":["A. $20 - [30 - (5 - 1)^2]$ ","B. $17 . 85 + 15 . 17 - 120$ ","C. $(39 . 42 - 37 . 42) : 42$","D. $(2100 - 42) : 21$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u00ednh gi\u00e1 tr\u1ecb c\u00e1c bi\u1ec3u th\u1ee9c tr\u00ean v\u00e0 x\u00e9t xem gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> +) $20 - [30 - (5 - 1)^2] = 20 - [30 - 4^2] = 20 - 14 = 6$ <br\/> S\u1ed1 6 l\u00e0 h\u1ee3p s\u1ed1 (lo\u1ea1i) <br\/> +) $17 . 85 + 15 . 17 - 120 = 17 . (85 + 15) - 120 = 1700 - 120 = 1580$ <br\/> S\u1ed1 1580 l\u00e0 h\u1ee3p s\u1ed1 (lo\u1ea1i) <br\/> +) $(39 . 42 - 37 . 42) : 42 = 42 . (39 - 37) : 42 = 2$ <br\/> S\u1ed1 2 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (th\u1ecfa m\u00e3n) <br\/> +) $(2100 - 42) : 21 = 2058 : 21 = 98$ <br\/> S\u1ed1 98 l\u00e0 h\u1ee3p s\u1ed1 (lo\u1ea1i) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":2}]}],"id_ques":648},{"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/bai13/lv2/img\/13.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn t\u1eadp h\u1ee3p ch\u1ec9 g\u1ed3m c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1","select":["A. {3; 5; 7; 11} ","B. {3; 10; 7; 13} ","C. {13; 15; 17; 19}","D. {1; 2; 5; 7}"],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> A - T\u1eadp h\u1ee3p {3; 5; 7; 11} c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (th\u1ecfa m\u00e3n) <br\/> B - T\u1eadp h\u1ee3p {3; 10; 7; 13} c\u00f3 ph\u1ea7n t\u1eed 10 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> C - {13; 15; 17; 19} c\u00f3 ph\u1ea7n t\u1eed 15 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> D - {1; 2; 5; 7} c\u00f3 ph\u1ea7n t\u1eed 1 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":649},{"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":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv2/img\/13.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn t\u1eadp h\u1ee3p ch\u1ec9 g\u1ed3m c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1","select":["A. {73; 77; 79} ","B. {89; 91; 97} ","C. {79; 81; 87}","D. {79; 83; 89}"],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> A - T\u1eadp h\u1ee3p {73; 77; 79} c\u00f3 ph\u1ea7n t\u1eed 77 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> B - T\u1eadp h\u1ee3p {89; 91; 97} c\u00f3 ph\u1ea7n t\u1eed 91 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> C - {79; 81; 87} c\u00f3 ph\u1ea7n t\u1eed 81 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 (lo\u1ea1i) <br\/> D - {79; 83; 89} c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 (th\u1ecfa m\u00e3n) <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":650}],"lesson":{"save":0,"level":2}}