{"segment":[{"time":24,"part":[{"title":"Ch\u1ecdn c\u00e1c s\u1ed1, t\u1eeb, c\u1ee5m t\u1eeb th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","correct":[["3"],["d\u01b0\u01a1ng"]],"temp":"drop_blank","list":[{"point":5,"word":["3","4","\u00e2m","d\u01b0\u01a1ng"],"ques":"<p>\u0110i\u1ec3m 4 c\u00e1ch \u0111i\u1ec3m 1 l\u00e0 _dr_blank_ \u0111\u01a1n v\u1ecb theo chi\u1ec1u_dr_blank_ <\/p>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>D\u1ef1a v\u00e0o tr\u1ee5c s\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. <br\/> N\u1ebfu \u0111i\u1ec3m n\u00e0y c\u00e1ch \u0111i\u1ec3m kia theo chi\u1ec1u t\u1eeb tr\u00e1i sang ph\u1ea3i g\u1ecdi l\u00e0 chi\u1ec1u d\u01b0\u01a1ng, chi\u1ec1u t\u1eeb ph\u1ea3i sang tr\u00e1i g\u1ecdi l\u00e0 chi\u1ec1u \u00e2m c\u1ee7a tr\u1ee5c s\u1ed1.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/D621_TB107.png' \/><\/center> <br\/> \u0110i\u1ec3m 4 c\u00e1ch \u0111i\u1ec3m 1 l\u00e0 3 \u0111\u01a1n v\u1ecb theo chi\u1ec1u d\u01b0\u01a1ng<br\/>V\u1eady c\u00e1c s\u1ed1 v\u00e0 t\u1eeb, c\u1ee5m t\u1eeb c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t t\u1eeb tr\u00e1i qua ph\u1ea3i l\u00e0:<span class='basic_pink'> 3; d\u01b0\u01a1ng<\/span> "}]}],"id_ques":861},{"time":24,"part":[{"title":"H\u00e3y click v\u00e0o s\u1ed1, t\u1eeb, c\u1ee5m t\u1eeb th\u00edch h\u1ee3p thay v\u00e0o \u00f4 tr\u1ed1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","correct":[["5"],["\u00e2m"]],"temp":"drop_blank","list":[{"point":5,"word":["4","5","\u00e2m","d\u01b0\u01a1ng"],"ques":"<p>\u0110i\u1ec3m -2 c\u00e1ch \u0111i\u1ec3m 3 l\u00e0 _dr_blank_ \u0111\u01a1n v\u1ecb theo chi\u1ec1u_dr_blank_ <\/p>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>D\u1ef1a v\u00e0o tr\u1ee5c s\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh<br\/> N\u1ebfu \u0111i\u1ec3m n\u00e0y c\u00e1ch \u0111i\u1ec3m kia theo chi\u1ec1u t\u1eeb tr\u00e1i sang ph\u1ea3i g\u1ecdi l\u00e0 chi\u1ec1u d\u01b0\u01a1ng, chi\u1ec1u t\u1eeb ph\u1ea3i sang tr\u00e1i g\u1ecdi l\u00e0 chi\u1ec1u \u00e2m c\u1ee7a tr\u1ee5c s\u1ed1.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/D621_TB108.png' \/><\/center> <br\/> \u0110i\u1ec3m -2 c\u00e1ch \u0111i\u1ec3m 3 l\u00e0 5 \u0111\u01a1n v\u1ecb theo chi\u1ec1u \u00e2m<br\/>V\u1eady c\u00e1c s\u1ed1 v\u00e0 t\u1eeb, c\u1ee5m t\u1eeb c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t t\u1eeb tr\u00e1i qua ph\u1ea3i l\u00e0:<span class='basic_pink'> 5; \u00e2m<\/span> "}]}],"id_ques":862},{"time":24,"part":[{"title":"\u0110i\u1ec1n c\u00e1c k\u00ed hi\u1ec7u th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","correct":[["N"],["Z"]],"temp":"drop_blank","list":[{"point":5,"word":["N","Z"],"ques":"<p>$\\dfrac{-147}{3}\\notin $ _dr_blank_ , $ \\dfrac{-147}{3} \\in $ _dr_blank_ <\/p>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Ph\u00e2n s\u1ed1 ch\u01b0a t\u1ed1i gi\u1ea3n th\u00ec bi\u1ebfn \u0111\u1ed5i v\u1ec1 d\u1ea1ng t\u1ed1i gi\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/><br\/> Ta c\u00f3: $ \\dfrac{-147}{3} = - 49$<br><br> M\u00e0 $ - 49 \\notin N ; - 49 \\in Z $<br\/>N\u00ean $ \\dfrac{-147}{3} \\notin $ N; $\\dfrac{-147}{3} \\in $ Z <br\/> V\u1eady c\u00e1c k\u00ed hi\u1ec7u c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t t\u1eeb tr\u00e1i qua ph\u1ea3i l\u00e0:<span class='basic_pink'> N ; Z<\/span> "}]}],"id_ques":863},{"time":24,"part":[{"title":"\u0110i\u1ec1n c\u00e1c k\u00ed hi\u1ec7u th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","correct":[["Z"],["N"]],"temp":"drop_blank","list":[{"point":5,"word":["N","Z"],"ques":"<p>$\\dfrac{-212}{4}\\in $ _dr_blank_ , $ \\dfrac{-212}{4} \\notin $ _dr_blank_ <\/p>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Ph\u00e2n s\u1ed1 ch\u01b0a t\u1ed1i gi\u1ea3n th\u00ec bi\u1ebfn \u0111\u1ed5i v\u1ec1 d\u1ea1ng t\u1ed1i gi\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/><br\/> Ta c\u00f3: $ \\dfrac{-212}{4} = - 54$<br><br> M\u00e0 $ - 54 \\in Z ; - 54 \\notin N $<br\/>N\u00ean $ \\dfrac{-212}{4} \\in $ Z;$\\dfrac{-212}{4} \\notin $ N <br\/> V\u1eady c\u00e1c k\u00ed hi\u1ec7u c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t t\u1eeb tr\u00e1i qua ph\u1ea3i l\u00e0:<span class='basic_pink'> Z; N<\/span> "}]}],"id_ques":864},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["-3"],["-2"],["-1"],["0"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":" C\u00e1c s\u1ed1 nguy\u00ean n\u1eb1m gi\u1eefa -4 v\u00e0 1 l\u00e0: _input_ , _input_ , _input_ , _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -4 v\u00e0 1 l\u00e0 c\u00e1c s\u1ed1 n\u1eb1m b\u00ean ph\u1ea3i -4 v\u00e0 b\u00ean tr\u00e1i c\u1ee7a 1 tr\u00ean tr\u1ee5c s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/D621_TB103.png' \/><\/center> <br\/> C\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -4 v\u00e0 1 l\u00e0: - 3; -2; -1; 0 <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: -3; -2; -1; 0 <\/span> "}]}],"id_ques":865},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["-2"],["-1"],["0"],["1"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":" C\u00e1c s\u1ed1 nguy\u00ean n\u1eb1m gi\u1eefa -3 v\u00e0 2 l\u00e0: _input_ , _input_ , _input_ , _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> C\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -3 v\u00e0 2 l\u00e0 c\u00e1c s\u1ed1 n\u1eb1m b\u00ean ph\u1ea3i -3 v\u00e0 b\u00ean tr\u00e1i c\u1ee7a 2 tr\u00ean tr\u1ee5c s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/D621_TB104.png' \/><\/center> <br\/> C\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -3 v\u00e0 2 l\u00e0: - 2; -1; 0; 1 <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: -2; -1; 0; 1 <\/span> "}]}],"id_ques":866},{"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":" Trong c\u00e1c s\u1ed1 sau, h\u00e3y ch\u1ecdn s\u1ed1 nguy\u00ean \u00e2m.","select":["A. -24 ","B. 28 ","C. 0 ","D. 316 "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>S\u1ed1 nguy\u00ean \u00e2m l\u00e0 c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 d\u1ea5u \" - \" \u0111\u1eb7t \u1edf tr\u01b0\u1edbc. <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: - 24 l\u00e0 s\u1ed1 nguy\u00ean \u00e2m <br\/> V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'>A. -24<\/span><br> ","column":2}]}],"id_ques":867},{"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":" Ch\u1ecdn s\u1ed1 nguy\u00ean d\u01b0\u01a1ng trong c\u00e1c s\u1ed1 sau.","select":["A. - 120 ","B. - 18 ","C. 0 ","D. 316 "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>S\u1ed1 nguy\u00ean d\u01b0\u01a1ng ch\u00ednh l\u00e0 c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean. <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: 316 l\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng <br\/> V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'>D. 316<\/span><br> ","column":2}]}],"id_ques":868},{"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":[[["214"," 214 "," 214 "]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":" S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 -214 l\u00e0: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Hai s\u1ed1 \u0111\u1ed1i nhau l\u00e0 hai s\u1ed1 c\u00e1c \u0111\u1ec1u \u0111i\u1ec3m 0 v\u00e0 n\u1eb1m v\u1ec1 hai ph\u00eda tr\u00ean tr\u1ee5c s\u1ed1. <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 -214 l\u00e0: 214 <br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> 214 <\/span> "}]}],"id_ques":869},{"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":[[["0"," 0 "," 0 "]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":" S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 0 l\u00e0: _input_","hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 0 l\u00e0: 0 <br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> 0 <\/span> "}]}],"id_ques":870},{"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":[[["-20","- 20"," -20"," - 20 "]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/4.jpg' \/><\/center>48m bi\u1ec3u di\u1ec5n \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n . Bi\u1ec3u di\u1ec5n 20m d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n l\u00e0 : _input_ ( m )","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> M\u1ef1c n\u01b0\u1edbc bi\u1ec3n \u0111\u01b0\u1ee3c xem l\u00e0 g\u1ed1c 0 c\u1ee7a tr\u1ee5c s\u1ed1. Ng\u01b0\u1eddi ta d\u00f9ng s\u1ed1 nguy\u00ean \u00e2m \u0111\u1ec3 bi\u1ec3u di\u1ec5n \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, s\u1ed1 nguy\u00ean d\u01b0\u01a1ng bi\u1ec3n di\u1ec5n \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n.<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> 48 m\u00e9t bi\u1ec3u di\u1ec5n \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n . Bi\u1ec3u di\u1ec5n 20 m\u00e9t d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n l\u00e0: -20 ( m) <br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> -20 <\/span> "}]}],"id_ques":871},{"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":[[["-18","- 18"," -18"," - 18 "]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/7.jpg' \/><\/center>+3m bi\u1ec3u di\u1ec5n \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n . Bi\u1ec3u di\u1ec5n 18m d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n l\u00e0 : _input_ ( m )","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> M\u1ef1c n\u01b0\u1edbc bi\u1ec3n \u0111\u01b0\u1ee3c xem l\u00e0 g\u1ed1c 0 c\u1ee7a tr\u1ee5c s\u1ed1. Ng\u01b0\u1eddi ta d\u00f9ng s\u1ed1 nguy\u00ean \u00e2m \u0111\u1ec3 bi\u1ec3u di\u1ec5n \u0111\u1ed9 s\u00e2u d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n, s\u1ed1 nguy\u00ean d\u01b0\u01a1ng bi\u1ec3n di\u1ec5n \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n. <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> N\u1ebfu +3m bi\u1ec3u di\u1ec5n \u0111\u1ed9 cao tr\u00ean m\u1ef1c n\u01b0\u1edbc bi\u1ec3n th\u00ec bi\u1ec3u di\u1ec5n 18m d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n l\u00e0 : -18 ( m) <br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> -18 <\/span> "}]}],"id_ques":872},{"time":24,"part":[{"title":"Ch\u1ecdn <u>nh\u1eefng<\/u> \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"Ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1p \u00e1n","temp":"checkbox","correct":[["1","3"]],"list":[{"point":5,"img":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/3.jpg' \/><\/center>C\u00e1c s\u1ed1 v\u1eeba thu\u1ed9c t\u1eadp h\u1ee3p N v\u1eeba thu\u1ed9c t\u1eadp h\u1ee3p Z l\u00e0:","hint":"","column":2,"number_true":2,"select":["A. 0"," B. -27","C. $\\dfrac{115}{5}$","D. $\\dfrac{-80}{4}$ "],"explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Ph\u00e2n s\u1ed1 ch\u01b0a t\u1ed1i gi\u1ea3n th\u00ec bi\u1ebfn \u0111\u1ed5i v\u1ec1 d\u1ea1ng t\u1ed1i gi\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh<br>C\u00e1c s\u1ed1 thu\u1ed9c t\u1eadp h\u1ee3p s\u1ed1 t\u1ef1 nhi\u00ean c\u0169ng thu\u1ed9c t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 nguy\u00ean.<\/span> <br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/><br\/>Ta c\u00f3: $\\dfrac{115}{5} = 23$; $\\dfrac{-80}{4} = -20$ <br>M\u00e0 0; 23 \u0111\u1ec1u thu\u1ed9c t\u1eadp h\u1ee3p N v\u00e0 Z<br>N\u00ean ta ch\u1ecdn \u0111\u00e1p \u00e1n: <span class='basic_pink'>A. 0; C. $\\dfrac{115}{5}$ <\/span>"}]}],"id_ques":873},{"time":24,"part":[{"title":"Ch\u1ecdn <u>nh\u1eefng<\/u> \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"Ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1p \u00e1n","temp":"checkbox","correct":[["1","2","3"]],"list":[{"point":5,"img":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/5.jpg' \/><\/center>C\u00e1c s\u1ed1 v\u1eeba thu\u1ed9c t\u1eadp h\u1ee3p N v\u1eeba thu\u1ed9c t\u1eadp h\u1ee3p Z l\u00e0:","hint":"","column":2,"number_true":2,"select":["A. 0"," B. 74","C. $\\dfrac{112}{4}$","D. $\\dfrac{-420}{5}$ "],"explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Ph\u00e2n s\u1ed1 ch\u01b0a t\u1ed1i gi\u1ea3n th\u00ec bi\u1ebfn \u0111\u1ed5i v\u1ec1 d\u1ea1ng t\u1ed1i gi\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh<br>C\u00e1c s\u1ed1 thu\u1ed9c t\u1eadp h\u1ee3p s\u1ed1 t\u1ef1 nhi\u00ean c\u0169ng thu\u1ed9c t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 nguy\u00ean.<\/span> <br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/><br\/>Ta c\u00f3: $\\dfrac{112}{4} = 28$; $\\dfrac{-420}{5} = -84$ <br>M\u00e0 0; 74 ; 28 \u0111\u1ec1u thu\u1ed9c t\u1eadp h\u1ee3p N v\u00e0 Z<br>N\u00ean ta ch\u1ecdn \u0111\u00e1p \u00e1n: <span class='basic_pink'>A. 0; B. 74; C. $\\dfrac{112}{4}$ <\/span>"}]}],"id_ques":874},{"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/bai18/lv2/img\/8.jpg' \/><\/center>","select":["A. S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0 ","B. S\u1ed1 \u0111\u1ed1i c\u1ee7a 12 l\u00e0 + 12","C. S\u1ed1 \u0111\u1ed1i c\u1ee7a -20 l\u00e0 - 20 ","D. S\u1ed1 \u0111\u1ed1i c\u1ee7a + 54 l\u00e0 54 "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Hai s\u1ed1 \u0111\u1ed1i nhau l\u00e0 hai s\u1ed1 n\u1eb1m \u1edf hai \u0111i\u1ec3m c\u00e1ch \u0111\u1ec1u \u0111i\u1ec3m 0 v\u00e0 n\u1eb1m \u1edf hai ph\u00eda c\u1ee7a \u0111i\u1ec3m 0 tr\u00ean tr\u1ee5c s\u1ed1<br\/><b>L\u01b0u \u00fd: <\/b>S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 nguy\u00ean \u00e2m l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng v\u00e0 s\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 nguy\u00ean d\u01b0\u01a1ng l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean \u00e2m. <\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0<br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a 12 l\u00e0 -12<br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a -20 l\u00e0 20<br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a + 54 l\u00e0 - 54 <br\/> V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'>A. S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0<\/span><br> ","column":2}]}],"id_ques":875},{"time":24,"part":[{"title":"Ch\u1ecdn <u>nh\u1eefng<\/u> \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"Ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1p \u00e1n","temp":"checkbox","correct":[["1","3"]],"list":[{"point":5,"img":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/4.jpg' \/><\/center>","hint":"","column":2,"number_true":2,"select":["A. S\u1ed1 \u0111\u1ed1i c\u1ee7a 5 l\u00e0 -5"," B. S\u1ed1 \u0111\u1ed1i c\u1ee7a + 24 l\u00e0 24","C. S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0","D. S\u1ed1 \u0111\u1ed1i c\u1ee7a -98 l\u00e0 -98 "],"explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Hai s\u1ed1 \u0111\u1ed1i nhau l\u00e0 hai s\u1ed1 n\u1eb1m \u1edf hai \u0111i\u1ec3m c\u00e1ch \u0111\u1ec1u \u0111i\u1ec3m 0 v\u00e0 n\u1eb1m \u1edf hai ph\u00eda c\u1ee7a \u0111i\u1ec3m 0 tr\u00ean tr\u1ee5c s\u1ed1<br\/><b>L\u01b0u \u00fd: <\/b>S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 nguy\u00ean \u00e2m l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng v\u00e0 s\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 nguy\u00ean d\u01b0\u01a1ng l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean \u00e2m.<\/span> <br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/><br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a 5 l\u00e0 -5<br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a + 24 l\u00e0 -24<br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0<br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a - 98 l\u00e0 98 <br>N\u00ean ta ch\u1ecdn \u0111\u00e1p \u00e1n: <span class='basic_pink'>A. S\u1ed1 \u0111\u1ed1i c\u1ee7a 5 l\u00e0 -5; C. S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0 <\/span>"}]}],"id_ques":876},{"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/bai18/lv2/img\/2.jpg' \/><\/center>C\u00e1c \u0111i\u1ec3m n\u1eb1m gi\u1eefa -2 v\u00e0 1 l\u00e0:","select":["A. -2; 0","B. -3; 2 ","C. -1; 2","D. -1; 0"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>D\u1ef1a v\u00e0o tr\u1ee5c s\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh.<br\/> <\/b> C\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -2 v\u00e0 1 l\u00e0 c\u00e1c s\u1ed1 n\u1eb1m b\u00ean tr\u00e1i c\u1ee7a 1 v\u00e0 b\u00ean ph\u1ea3i c\u1ee7a -2.<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/D621_TB111.png' \/><\/center> <br\/> C\u00e1c s\u1ed1 n\u1eb1m b\u00ean tr\u00e1i c\u1ee7a 1 v\u00e0 b\u00ean ph\u1ea3i c\u1ee7a -2 l\u00e0: -1; 0 <br\/> V\u1eady c\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -2 v\u00e0 1 l\u00e0: -1; 0<br\/>Ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0:<span class='basic_pink'>D. -1; 0<\/span>","column":2}]}],"id_ques":877},{"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/bai18/lv2/img\/6.jpg' \/><\/center>C\u00e1c \u0111i\u1ec3m n\u1eb1m gi\u1eefa -3 v\u00e0 0 l\u00e0:","select":["A. -3; -2","B. -3; -1 ","C. -2; -1","D. -2; 0"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> D\u1ef1a v\u00e0o tr\u1ee5c s\u1ed1 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh <br\/><\/b> C\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -0 v\u00e0 -3 l\u00e0 c\u00e1c s\u1ed1 n\u1eb1m b\u00ean tr\u00e1i c\u1ee7a 0 v\u00e0 b\u00ean ph\u1ea3i c\u1ee7a -3.<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv2/img\/D621_TB112.png' \/><\/center> <br\/> C\u00e1c s\u1ed1 n\u1eb1m b\u00ean tr\u00e1i c\u1ee7a 0 v\u00e0 b\u00ean ph\u1ea3i c\u1ee7a -3 l\u00e0: -2; -1<br\/> V\u1eady c\u00e1c s\u1ed1 n\u1eb1m gi\u1eefa -3 v\u00e0 0 l\u00e0: -2; -1<br\/>Ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0:<span class='basic_pink'>C. -2; -1<\/span>","column":2}]}],"id_ques":878},{"time":24,"part":[{"title":"Ch\u1ecdn <u>nh\u1eefng<\/u> \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"Ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1p \u00e1n","temp":"checkbox","correct":[["1","4"]],"list":[{"point":5,"img":"","ques":"Nh\u1eefng \u0111i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m -7 hai \u0111\u01a1n v\u1ecb l\u00e0:","hint":"","column":2,"number_true":2,"select":["A. -9","B. -10","C. -6","D. -5"],"explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Nh\u1eefng \u0111i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m -7 hai \u0111\u01a1n v\u1ecb l\u00e0 \u0111i\u1ec3m n\u1eb1m b\u00ean ph\u1ea3i \u0111i\u1ec3m -7 c\u00e1ch \u0111i\u1ec3m -7 hai \u0111\u01a1n v\u1ecb v\u00e0 \u0111i\u1ec3m n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m -7 c\u00e1ch \u0111i\u1ec3m -7 hai \u0111\u01a1n v\u1ecb.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>\u0110i\u1ec3m n\u1eb1m b\u00ean ph\u1ea3i \u0111i\u1ec3m -7 c\u00e1ch \u0111i\u1ec3m -7 hai \u0111\u01a1n v\u1ecb l\u00e0: -5<br\/>\u0110i\u1ec3m n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m -7 c\u00e1ch \u0111i\u1ec3m -7 hai \u0111\u01a1n v\u1ecb l\u00e0: -9<br\/>V\u1eady ta ch\u1ecdn c\u00e1c \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0:<span class='basic_pink'>A. -9; D. -5<\/span><\/span>"}]}],"id_ques":879},{"time":24,"part":[{"title":"Ch\u1ecdn <u>nh\u1eefng<\/u> \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"Ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1p \u00e1n","temp":"checkbox","correct":[["1","4"]],"list":[{"point":5,"img":"","ques":"Nh\u1eefng \u0111i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m 0 b\u1ed1n \u0111\u01a1n v\u1ecb l\u00e0:","hint":"","column":2,"number_true":2,"select":["A. -4","B. -3","C. 3","D. 4"],"explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Nh\u1eefng \u0111i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m 0 b\u1ed1n \u0111\u01a1n v\u1ecb l\u00e0 \u0111i\u1ec3m n\u1eb1m b\u00ean ph\u1ea3i \u0111i\u1ec3m 0 c\u00e1ch \u0111i\u1ec3m 0 b\u1ed1n \u0111\u01a1n v\u1ecb v\u00e0 \u0111i\u1ec3m n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m 0 c\u00e1ch \u0111i\u1ec3m 0 b\u1ed1n \u0111\u01a1n v\u1ecb.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>\u0110i\u1ec3m n\u1eb1m b\u00ean ph\u1ea3i \u0111i\u1ec3m 0 c\u00e1ch \u0111i\u1ec3m 0 b\u1ed1n \u0111\u01a1n v\u1ecb l\u00e0: 4<br\/>\u0110i\u1ec3m n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m 0 c\u00e1ch \u0111i\u1ec3m 0 b\u1ed1n \u0111\u01a1n v\u1ecb l\u00e0: -4<br\/>V\u1eady ta ch\u1ecdn c\u00e1c \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0:<span class='basic_pink'>A. -4; D. 4<\/span><\/span>"}]}],"id_ques":880}],"lesson":{"save":0,"level":2}}