{"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":[[["-3"," -3","- 3 "," - 3"],["3"," 3","+ 3","+3"]]],"list":[{"point":10,"width":60,"content":"","type_input":"","ques":" Tr\u00ean tr\u1ee5c s\u1ed1 \u0111i\u1ec3m A c\u00e1ch g\u1ed1c 3 \u0111\u01a1n v\u1ecb v\u1ec1 ph\u00eda b\u00ean tr\u00e1i, \u0111i\u1ec3m B c\u00e1ch \u0111i\u1ec3m A l\u00e0 6 \u0111\u01a1n v\u1ecb v\u1ec1 ph\u00eda b\u00ean ph\u1ea3i. <br\/> \u0110i\u1ec3m A bi\u1ec3u di\u1ec5n s\u1ed1 : _input_; \u0111i\u1ec3m B bi\u1ec3u di\u1ec5n s\u1ed1: _input_","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>L\u01b0u \u00fd:<\/b> G\u1ed1c tr\u00ean tr\u1ee5c t\u1ecda \u0111\u1ed9 l\u00e0 \u0111i\u1ec3m 0.<\/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/lv3/img\/D621_K101.png' \/><\/center><br\/>Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y:<br\/> \u0110i\u1ec3m c\u00e1ch g\u1ed1c 3 \u0111\u01a1n v\u1ecb v\u1ebf ph\u00eda b\u00ean tr\u00e1i l\u00e0 \u0111i\u1ec3m -3, n\u00ean \u0111i\u1ec3m A bi\u1ec3u di\u1ec5n s\u1ed1: -3<br\/> \u0110i\u1ec3m c\u00e1ch \u0111i\u1ec3m -3 ( hay \u0111i\u1ec3m A) 6 \u0111\u01a1n v\u1ecb v\u1ec1 ph\u00eda b\u00ean ph\u1ea3i l\u00e0: 3 <br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t l\u00e0: <span class='basic_pink'> -3; 3<\/span> "}]}],"id_ques":881},{"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"," -5","- 5 "," - 5"],["-2"," -2","- 2"," - 2 "]]],"list":[{"point":10,"width":60,"content":"","type_input":"","ques":" Tr\u00ean tr\u1ee5c s\u1ed1 \u0111i\u1ec3m A c\u00e1ch g\u1ed1c 5 \u0111\u01a1n v\u1ecb v\u1ec1 ph\u00eda b\u00ean tr\u00e1i, \u0111i\u1ec3m B c\u00e1ch \u0111i\u1ec3m A l\u00e0 3 \u0111\u01a1n v\u1ecb v\u1ec1 ph\u00eda b\u00ean ph\u1ea3i. <br\/> \u0110i\u1ec3m A bi\u1ec3u di\u1ec5n s\u1ed1 : _input_; \u0111i\u1ec3m B bi\u1ec3u di\u1ec5n s\u1ed1: _input_","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>L\u01b0u \u00fd:<\/b> G\u1ed1c tr\u00ean tr\u1ee5c t\u1ecda \u0111\u1ed9 l\u00e0 \u0111i\u1ec3m 0. <\/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/lv3/img\/D621_K101.png' \/><\/center><br\/>Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y:<br\/> \u0110i\u1ec3m c\u00e1ch g\u1ed1c 5 \u0111\u01a1n v\u1ecb v\u1ebf ph\u00eda b\u00ean tr\u00e1i l\u00e0 \u0111i\u1ec3m -5, n\u00ean \u0111i\u1ec3m A bi\u1ec3u di\u1ec5n s\u1ed1: -5<br\/> \u0110i\u1ec3m c\u00e1ch \u0111i\u1ec3m -5 ( hay \u0111i\u1ec3m A) 3 \u0111\u01a1n v\u1ecb v\u1ec1 ph\u00eda b\u00ean ph\u1ea3i l\u00e0: -2<br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t l\u00e0: <span class='basic_pink'> -5; -2<\/span> "}]}],"id_ques":882},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv3/img\/4.jpg' \/><\/center> Trong c\u00e1c \u0111\u00e1p \u00e1n sau, \u0111\u00e1p \u00e1n n\u00e0o sai? ","select":["A. T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m v\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng","B. T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m, s\u1ed1 0 v\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng ","C. T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m v\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean ","D. $N\\subset Z$"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean g\u1ed3m: <i><b>s\u1ed1 nguy\u00ean \u00e2m, s\u1ed1 0 v\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng<\/b><\/i><br\/>T\u1eadp h\u1ee3p s\u1ed1 t\u1ef1 nhi\u00ean g\u1ed3m: <i><b>0 v\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng<\/b><\/i><br>$N\\subset Z$<br> V\u1eady trong c\u00e1c \u0111\u00e1p \u00e1n tr\u00ean \u0111\u00e1p \u00e1n sai l\u00e0:<span class='basic_pink'> A. T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m v\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng<\/span><\/span> <br\/>","column":2}]}],"id_ques":883},{"time":24,"part":[{"title":"Ch\u1ecdn \u0111\u00e1p \u00e1n th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","correct":[["Z"],["$ \\notin $"]],"temp":"drop_blank","list":[{"point":10,"word":["$ \\in $","$ \\notin $","Z","N"],"ques":"<p>-7 $\\in$ _dr_blank_ nh\u01b0ng -7 _dr_blank_ N <\/p>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean ( k\u00ed hi\u1ec7u l\u00e0 Z ) bao g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m, s\u1ed1 0, s\u1ed1 nguy\u00ean d\u01b0\u01a1ng.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> $ -7\\in Z $ nh\u01b0ng $ -7 \\notin N $<br\/> V\u1eady \u0111\u00e1p \u00e1n 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; $ \\notin $<\/span><\/span>"}]}],"id_ques":884},{"time":24,"part":[{"title":"Ch\u1ecdn \u0111\u00e1p \u00e1n th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","correct":[["$N^*$"],["Z"]],"temp":"drop_blank","list":[{"point":10,"word":["Z","$N^*$"],"ques":"<p>0 $\\notin$ _dr_blank_ nh\u01b0ng 0 $\\in$ _dr_blank_ <\/p>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> T\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean ( k\u00ed hi\u1ec7u l\u00e0 Z ) bao g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m, s\u1ed1 0, s\u1ed1 nguy\u00ean d\u01b0\u01a1ng<br> T\u1eadp h\u1ee3p s\u1ed1 t\u1ef1 nhi\u00ean g\u1ed3m 0 v\u00e0 t\u1eadp h\u1ee3p $N^*$<br> T\u1eadp h\u1ee3p $N^*$ g\u1ed3m c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean kh\u00e1c 0( hay c\u00e1c s\u1ed1 nguy\u00ean d\u01b0\u01a1ng).<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> $ 0\\notin N^* $ nh\u01b0ng $ 0 \\in Z $ <br\/> V\u1eady \u0111\u00e1p \u00e1n 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><\/span>"}]}],"id_ques":885},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv3/img\/4.jpg' \/><\/center> Cho t\u1eadp h\u1ee3p A = {0; -5; -4; 2; 7}. Trong c\u00e1c t\u1eadp h\u1ee3p sau t\u1eadp h\u1ee3p n\u00e0o g\u1ed3m c\u00e1c ph\u1ea7n t\u1eed l\u00e0 s\u1ed1 \u0111\u1ed1i c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed thu\u1ed9c t\u1eadp h\u1ee3p A? ","select":["B = {0; 5; 4; -2; -7}","C = {0; +5; +4; +2; +7} ","D = {0; 5; -4; -2; -7} ","E = {0; 5; 4; 2; 7}"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a 0 l\u00e0 0<br\/>Hai s\u1ed1 \u0111\u1ed1i nhau l\u00e0 hai s\u1ed1 c\u00e1ch \u0111\u1ec1u \u0111i\u1ec3m 0 v\u00e0 n\u1eb1m v\u1ec1 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 s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean d\u01b0\u01a1ng ( ng\u01b0\u1ee3c l\u1ea1i s\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 nguy\u00ean d\u01b0\u01a1ng s\u1ebd 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 -5 l\u00e0 5 ( hay +5)<br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a -4 l\u00e0 4 ( hay +4) <br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a 2 l\u00e0 -2<br\/> S\u1ed1 \u0111\u1ed1i c\u1ee7a 7 l\u00e0 -7<br\/>V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> B = {0; 5; 4; -2; -7}<\/span><\/span> <br\/>","column":2}]}],"id_ques":886},{"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"," 5","+ 5","+5"," + 5"],["-2"," -2","- 2"," - 2 "]]],"list":[{"point":10,"width":60,"content":"","type_input":"","ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai18/lv3/img\/D621_K104.png' \/><\/center>N\u1ebfu tr\u00ean tr\u1ee5c s\u1ed1 v\u1ecb tr\u00ed \u0111i\u1ec3m A t\u1ea1i \u0111i\u1ec3m 1 th\u00ec:<br\/> \u0110i\u1ec3m B bi\u1ec3u di\u1ec5n s\u1ed1 nguy\u00ean: _input_<br\/>\u0110i\u1ec3m C bi\u1ec3u di\u1ec5n s\u1ed1 nguy\u00ean: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Quan s\u00e1t tr\u1ee5c s\u1ed1 v\u00e0 \u0111\u1ebfm c\u00e1c v\u1ea1ch \u0111\u01a1n v\u1ecb \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m c\u1ea7n t\u00ecm.<\/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/lv3/img\/D621_K105.png' \/><\/center>Quan s\u00e1t tr\u1ee5c s\u1ed1 ta th\u1ea5y:<br\/>\u0110i\u1ec3m B c\u00e1ch \u0111i\u1ec3m A b\u1ed1n \u0111\u01a1n v\u1ecb theo chi\u1ec1u d\u01b0\u01a1ng n\u00ean \u0111i\u1ec3m B bi\u1ec3u di\u1ec5n s\u1ed1 nguy\u00ean l\u00e0: 5 (hay +5)<br\/>\u0110i\u1ec3m C c\u00e1ch \u0111i\u1ec3m A ba \u0111\u01a1n v\u1ecb theo chi\u1ec1u \u00e2m n\u00ean \u0111i\u1ec3m C bi\u1ec3u di\u1ec5n s\u1ed1 nguy\u00ean: -2<br> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t l\u00e0: <span class='basic_pink'> 5; -2<\/span><\/span> <br\/> "}]}],"id_ques":887},{"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"," 3","+ 3"," +3"," + 3","+3"]]],"list":[{"point":10,"width":60,"content":"","type_input":"","ques":" S\u1ed1 c\u00e1ch s\u1ed1 -2 n\u0103m \u0111\u01a1n v\u1ecb theo chi\u1ec1u d\u01b0\u01a1ng l\u00e0: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>\u0110i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m A theo chi\u1ec1u d\u01b0\u01a1ng t\u1ee9c l\u00e0 \u0111i\u1ec3m \u0111\u00f3 n\u1eb1m b\u00ean tay ph\u1ea3i \u0111i\u1ec3m A<br\/>\u0110i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m A theo chi\u1ec1u \u00e2m t\u1ee9c l\u00e0 \u0111i\u1ec3m \u0111\u00f3 n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m A<\/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/lv3/img\/D621_K106.png' \/><\/center>Ta \u0111\u1ebfm v\u1ec1 b\u00ean ph\u1ea3i s\u1ed1 -2 n\u0103m \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c s\u1ed1 3 ( hay +3 )<br\/> V\u1eady s\u1ed1 c\u00e1ch s\u1ed1 -2 n\u0103m \u0111\u01a1n v\u1ecb theo chi\u1ec1u d\u01b0\u01a1ng l\u00e0: 3 ( hay +3)<br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'>3 ( hay +3 )<\/span><\/span> <br\/> "}]}],"id_ques":888},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","title_trans":"","temp":"true_false","correct":[["t","f","t","t"]],"list":[{"point":10,"image":"","col_name":["","\u0110\u00fang","Sai"],"arr_ques":[" M\u1ecdi s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean "," M\u1ecdi s\u1ed1 nguy\u00ean \u0111\u1ec1u l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean "," C\u00f3 nh\u1eefng s\u1ed1 nguy\u00ean \u0111\u1ed3ng th\u1eddi l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean","C\u00f3 nh\u1eefng s\u1ed1 nguy\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean"],"hint":"","explain":["M\u1ecdi s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean (\u0110\u00fang). V\u00ec t\u1eadp h\u1ee3p s\u1ed1 nguy\u00ean g\u1ed3m s\u1ed1 nguy\u00ean \u00e2m, s\u1ed1 0 v\u00e0 s\u1ed1 nguy\u00ean d\u01b0\u01a1ng","<br\/> M\u1ecdi s\u1ed1 nguy\u00ean \u0111\u1ec1u l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean (Sai). V\u00ec s\u1ed1 nguy\u00ean \u00e2m kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean ( VD: S\u1ed1 -2 l\u00e0 s\u1ed1 nguy\u00ean nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean) ","<br\/> C\u00f3 nh\u1eefng s\u1ed1 nguy\u00ean \u0111\u1ed3ng th\u1eddi l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean (\u0110\u00fang). V\u00ec s\u1ed1 t\u1ef1 nhi\u00ean c\u0169ng l\u00e0 s\u1ed1 nguy\u00ean (VD: 1 l\u00e0 s\u1ed1 nguy\u00ean \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean) ","<br\/> C\u00f3 nh\u1eefng s\u1ed1 nguy\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean (\u0110\u00fang). V\u00ec s\u1ed1 nguy\u00ean \u00e2m l\u00e0 s\u1ed1 nguy\u00ean nh\u1eefng kh\u00f4ng l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean ( VD: s\u1ed1 -3 l\u00e0 s\u1ed1 nguy\u00ean nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean. "]}]}],"id_ques":889},{"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","- 5"," -5"," - 5"," -5"," -5"]]],"list":[{"point":10,"width":60,"content":"","type_input":"","ques":" S\u1ed1 c\u00e1ch s\u1ed1 -1 b\u1ed1n \u0111\u01a1n v\u1ecb theo chi\u1ec1u \u00e2m l\u00e0: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>\u0110i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m A theo chi\u1ec1u d\u01b0\u01a1ng t\u1ee9c l\u00e0 \u0111i\u1ec3m \u0111\u00f3 n\u1eb1m b\u00ean tay ph\u1ea3i \u0111i\u1ec3m A<br\/>\u0110i\u1ec3m n\u1eb1m c\u00e1ch \u0111i\u1ec3m A theo chi\u1ec1u \u00e2m t\u1ee9c l\u00e0 \u0111i\u1ec3m \u0111\u00f3 n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m A<\/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/lv3/img\/D621_K109.png' \/><\/center>Ta \u0111\u1ebfm v\u1ec1 b\u00ean tr\u00e1i s\u1ed1 -1 b\u1ed1n \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c s\u1ed1 -5 ( hay -5 )<br\/> V\u1eady s\u1ed1 c\u00e1ch s\u1ed1 -1 b\u1ed1n \u0111\u01a1n v\u1ecb theo chi\u1ec1u \u00e2m l\u00e0: -5 <br\/> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> -5<\/span><\/span> <br\/> "}]}],"id_ques":890}],"lesson":{"save":0,"level":3}}