{"common":{"save":0,"post_id":"6447","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6635","mon_id":"1158767","chapter_id":"1158885","post_id":"6447","question":"<p>\u0110i\u1ec3m \u0111i\u1ec1u tra v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u1edbi (thang \u0111i\u1ec3m 100) nh\u01b0 sau:<\/p><p>80 65 51 48 45 61 30 35 83 60 58 75 72<br \/>68 39 41 54 61 72 75 72 61 50 65<\/p><p>Kho\u1ea3ng bi\u1ebfn thi&ecirc;n c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u tr&ecirc;n l&agrave;:<\/p>","options":["<strong>A.<\/strong> 30","<strong>B.<\/strong> 53","<strong>C. <\/strong>54","<strong>D.<\/strong> 83"],"correct":"2","level":"1","hint":"<p>H&atilde;y s\u1eafp x\u1ebfp l\u1ea1i s\u1ed1 li\u1ec7u tr&ecirc;n theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n \u0111\u1ec3 bi\u1ebft s\u1ed1 li\u1ec7u nh\u1ecf nh\u1ea5t v&agrave; l\u1edbn nh\u1ea5t.<\/p>","answer":"<p>Ta s\u1eafp x\u1ebfp l\u1ea1i s\u1ed1 li\u1ec7u tr&ecirc;n theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n c\u1ee7a \u0111i\u1ec3m s\u1ed1<\/p><p><span class=\"svgedit\"><svg height=\"130\" width=\"370\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"372\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <image height=\"120\" id=\"svg_1\" width=\"367\" x=\"0.5\" 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ybADcbK4jSUnanT2E8kbcAJYRpPLi5ilMvAAdatwcbGMFnuuU1mIAHWrVDxITm5ndHtU5m4E6lapeLyxPo7GOrefyxmVOqQy52\/MS2XM89x9yiOPx2gNjUDdiER553dhl37ZQ7GHYg\/FHkr2kGgXyW68CBR7KPZQ7KHs6iHRLpLdeBEo9lDsodhD2dVDIux0cXFxcdmzRP6VvL8ju\/TLHoo9FHso9lCyh0RvSuLdJGiPb6t5Ei8CxR6KPRR7KLt6SPS2JN4yg\/I0XgSKPRR7KPZQdvWQ6BOSvvN+H3so9lDsoezqIdGqZH7T+ajkN6vzzeyVj8neBe3sgD0Ueyj2UOyhZA+JuiSRkI8eh+CTTWgLX8\/qduBFoNhDsYdiD2VXD4m6JCvJO1L9eOgqXgSKPRR7KPZQdvWQqEvyLHnnv42S62IbEjrOM6tzBRy\/A\/ZQ7KHYQ7GHkj0k6pI8St75j0nxj1TFZ+KIUXiHzscsq3foXf26iz0Ueyj2UOyhZA+JuiRnyTs+646gfkzoqJOPx\/7Vu+9dB\/9T2EOxh2IPZVcPibokzx6bELTHkpN3fneKk3cf9lDsodhD2dVDoi7Js8cmaAeFdUZ33qPkHetcoatfd7GHYg\/FHoo9lOwhUZfkLHnzj6HnD+Y4eb+LPRR7KPZQdvWQqEtylrz5wZwMtn2F5I32s9cVvoNH\/i9Iq4+ywB0P3giwYM2tcscj4nnxvBzR7SFRl+QseY\/eNYIOYRu+EsS5k9gf61yho1\/oz8jrCl\/dY\/TOoNlcV1j1YIKIv\/jG2lhNFKseEc+L5+WIJzwk6pAERwsH8miHBTG38XEKt0c+mbzRn+i7ylf3QJv5QuQFu8LqcVgHeX0xgeV3MlVY9SCel7\/wvIx5ykOiu5K7cqdfWJA8vnvwr7CLR+YTSWIEkwR8rnLHw\/NyzH99Xp70kOiO5M509at78FfZxQPgXLOfss7o9GCy+sQdHsF5PC+K5+Ufuj0k6pLcjV0Hf5UdPPijYP5x\/Qpd4wHggbucFTwviudF2dVDoi7JVfgjxsqr9BG7Dv4qu3gA3lnx9xVX6PLAHeaqA+jywHk8L\/\/geVG6PSTqklwBCfup9ncd\/FV28SC4u1r5Eb3Dgwnizgu+50XxvCi7ekjUJbnC6qtzhV0Hf5VdPAh+YvpEkuj6Sc3zonhelF09JOqSXAFto6z8VvqMrn7hPP\/l5I1EMHqWuupzZzyYIDpe9O94RFbHgax6eF6OWR0HsquHRF2SV8GEo9x5TnfEroO\/yqc8+Ggrts2LdYXV49A+jr17Z0dWPTJ5bK6y6uF5OSaPzVV29ZCoS\/IqebK77753HfxVPumBF1YczzK646uy6hHbz2VlXHBcB6vtkzsenpc5q+2TXT0k6pKMYBHhvCyjxBz331l0M3DeHbCHYg\/FHoo9lOwhUbckH4eQ\/FiEdwvxlyr4vtuj+3yr2EOxh2IPxR5K9pCoWxJ30aMfE5i8u3\/RMsOLQLGHYg\/FHsquHhJ1S\/IuevYoBNvjXTfBtnjHfhcvAsUeij0Ueyi7ekj0hCQflbDEpOzk\/RnsodhDsYeyq4dET0sykTNhz5J3flZ+Fy8CxR6KPRR7KLt6SPSGZEzMSNx+5v0+9lDsodhD2dVDom5JnC\/eWfPdJUzMfrfJZ7CHYg\/FHsquHhI9IYlzxjK6o477Z7\/cvAPOuwP2UOyh2EOxh5I9JNpFshsvAsUeij0Ueyi7eki0i2Q3XgSKPRR7KPZQdvWQCDtdXFxcXPYskT1eUowxxlzCydsYY74cf\/zxP7L1nJGEt1YeAAAAAElFTkSuQmCC\" y=\"1\"><\/image> <\/g> <\/svg><\/span><\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$x_{min} = 30$<\/span>&nbsp;v&agrave;&nbsp;<span class=\"math-tex\">$x_{max}=83$<\/span>&nbsp;n&ecirc;n kho\u1ea3ng bi\u1ebfn thi&ecirc;n R = 83&nbsp;&ndash; 30 = 53.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 53<\/span><\/p>","type":"choose","extra_type":"shape1","user_id":"131","test":"0","date":"2023-05-27 05:35:28","option_type":"txt","len":0},{"id":"6638","mon_id":"1158767","chapter_id":"1158885","post_id":"6447","question":"<p>\u0110i\u1ec3m \u0111i\u1ec1u tra v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m m\u1edbi (thang \u0111i\u1ec3m 100) nh\u01b0 sau<\/p><p><span class=\"svgedit\"><svg height=\"80\" width=\"380\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"82\" id=\"canvas_background\" width=\"382\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"30.25\">80<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"30\" xml:space=\"preserve\" y=\"30.25\">65<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"57\" xml:space=\"preserve\" y=\"30.25\">51<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"84\" xml:space=\"preserve\" y=\"30.25\">48<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"111\" xml:space=\"preserve\" y=\"30.25\">45<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"138\" xml:space=\"preserve\" y=\"30.25\">61<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"165\" xml:space=\"preserve\" y=\"30.25\">30<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"192\" xml:space=\"preserve\" y=\"30.25\">35<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"219\" xml:space=\"preserve\" y=\"30.25\">84<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"247\" xml:space=\"preserve\" y=\"30.25\">83<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"274\" xml:space=\"preserve\" y=\"30.25\">60<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"301\" xml:space=\"preserve\" y=\"30.25\">58<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"328\" xml:space=\"preserve\" y=\"30.25\">75<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_14\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"356\" xml:space=\"preserve\" y=\"30.25\">72<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_15\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"51.25\">68<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_16\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"30\" xml:space=\"preserve\" y=\"51.25\">39<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_17\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"57\" xml:space=\"preserve\" y=\"51.25\">41<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_18\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"84\" xml:space=\"preserve\" y=\"51.25\">54<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_19\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"111\" xml:space=\"preserve\" y=\"51.25\">61<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_20\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"138\" xml:space=\"preserve\" y=\"51.25\">72<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_21\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"165\" xml:space=\"preserve\" y=\"51.25\">75<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_22\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"192\" xml:space=\"preserve\" y=\"51.25\">72<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_23\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"219\" xml:space=\"preserve\" y=\"51.25\">61<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_24\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"247\" xml:space=\"preserve\" y=\"51.25\">50<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"274\" xml:space=\"preserve\" y=\"51.25\">65<\/text> <\/g> <\/svg><\/span><\/p><p>Kho\u1ea3ng t\u1ee9 ph&acirc;n v\u1ecb c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u tr&ecirc;n l&agrave;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\Delta Q$<\/span> = 23","<strong>B.<\/strong> <span class=\"math-tex\">$\\Delta Q$<\/span> = 24","<strong>C.<\/strong> <span class=\"math-tex\">$\\Delta Q$<\/span> = 22","<strong>D.<\/strong> <span class=\"math-tex\">$\\Delta Q$<\/span> = 25"],"correct":"1","level":"1","hint":"","answer":"<p>Ta s\u1eafp x\u1ebfp l\u1ea1i s\u1ed1 li\u1ec7u tr&ecirc;n theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n c\u1ee7a \u0111i\u1ec3m s\u1ed1<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"370\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"372\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"112\" id=\"svg_1\" width=\"364\" x=\"1.99998\" xlink:href=\"data:image\/png;base64,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y=\"5\"><\/image> <\/g> <\/svg><\/span><\/p><p>V&igrave; b\u1ea3ng s\u1ed1 li\u1ec7u tr&ecirc;n c&oacute; 25 gi&aacute; tr\u1ecb n&ecirc;n s\u1ed1 trung v\u1ecb c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u tr&ecirc;n l&agrave; gi&aacute; tr\u1ecb th\u1ee9 13 t\u1ee9c l&agrave;&nbsp;<span class=\"math-tex\">$Q_2$<\/span>&nbsp;= 61.<\/p><p>S\u1ed1 trung v\u1ecb c\u1ee7a 12 gi&aacute; tr\u1ecb \u0111\u1ea7u l&agrave; trung b&igrave;nh c\u1ed9ng c\u1ee7a gi&aacute; tr\u1ecb th\u1ee9 6 v&agrave; th\u1ee9 7, t\u1ee9c l&agrave;&nbsp;<span class=\"math-tex\">$Q_1$<\/span>&nbsp;= <span class=\"math-tex\">$\\dfrac{48+50}{2}$<\/span>&nbsp;= 49.<\/p><p>S\u1ed1 trung v\u1ecb c\u1ee7a 12&nbsp;gi&aacute; tr\u1ecb sau l&agrave; trung b&igrave;nh c\u1ed9ng c\u1ee7a gi&aacute; tr\u1ecb th\u1ee9 19 v&agrave; th\u1ee9 20, t\u1ee9c l&agrave;&nbsp;<span class=\"math-tex\">$Q_3$<\/span>&nbsp;= <span class=\"math-tex\">$\\dfrac{72+72}{2}$<\/span>&nbsp;= 72.<\/p><p>Do \u0111&oacute; kho\u1ea3ng t\u1ee9 ph&acirc;n v\u1ecb l&agrave;&nbsp;<span class=\"math-tex\">$\\Delta Q=Q_3-Q_1=$<\/span>&nbsp;72&nbsp;&ndash; 49&nbsp;= 23.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\Delta Q$<\/span>&nbsp;= 23<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-05-27 06:13:47","option_type":"math","len":0},{"id":"6640","mon_id":"1158767","chapter_id":"1158885","post_id":"6447","question":"<p>Cho c&aacute;c s\u1ed1 li\u1ec7u th\u1ed1ng k&ecirc; v\u1ec1 s\u1ea3n l\u01b0\u1ee3ng ch&egrave; thu \u0111\u01b0\u1ee3c trong 1n\u0103m ( kg\/s&agrave;o) c\u1ee7a 20 h\u1ed9 gia \u0111&igrave;nh<\/p><p><span class=\"svgedit\"><svg height=\"60\" width=\"400\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"62\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"69\" id=\"svg_1\" stroke=\"null\" width=\"393.00001\" x=\"1.5\" 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y=\"-10.5\"><\/image> <\/g> <\/svg><\/span><\/p><p>Kho\u1ea3ng bi\u1ebfn thi&ecirc;n c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u tr&ecirc;n&nbsp;<\/p>","options":["<strong>A.<\/strong> 5","<strong>B.<\/strong> 7","<strong>C.<\/strong> 6","<strong>D.<\/strong> 4"],"correct":"3","level":"1","hint":"","answer":"<p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$x_{min}$<\/span>&nbsp;= 111 v&agrave;&nbsp;<span class=\"math-tex\">$x_{max}$<\/span>&nbsp;= 117 n&ecirc;n kho\u1ea3ng bi\u1ebfn thi&ecirc;n R = 117&nbsp;&ndash; 111 = 6.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;<span style=\"color:#16a085;\">&nbsp;<strong>C.<\/strong> 6<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2023-05-27 06:21:16","option_type":"txt","len":0}]}