{"common":{"save":0,"post_id":"9111","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5132","post_id":"9111","mon_id":"1159414","chapter_id":"1159500","question":"<p>T\u1ed5ng s\u1ed1 tu\u1ed5i c\u1ee7a m\u1eb9 v&agrave; b&eacute; l&agrave; 35. S\u1ed1 tu\u1ed5i c\u1ee7a b&eacute; b\u1eb1ng&nbsp;<span class=\"math-tex\">$\\dfrac{1}{6}$<\/span>&nbsp;s\u1ed1 tu\u1ed5i c\u1ee7a m\u1eb9. T&iacute;nh s\u1ed1 tu\u1ed5i c\u1ee7a m\u1ed7i ng\u01b0\u1eddi.<\/p>","options":["<strong>A.<\/strong> M\u1eb9 30 tu\u1ed5i, b&eacute; 5 tu\u1ed5i.","<strong>B.<\/strong> M\u1eb9 35 tu\u1ed5i, b&eacute; 5 tu\u1ed5i.","<strong>B.<\/strong> M\u1eb9 30 tu\u1ed5i, b&eacute; 3 tu\u1ed5i.","<strong>D.<\/strong> M\u1eb9 25 tu\u1ed5i, b&eacute; 1 tu\u1ed5i."],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> M\u1eb9 30 tu\u1ed5i, b&eacute; 5 tu\u1ed5i.<\/span><\/p><p><span class=\"svgedit\"><svg height=\"90\" width=\"345\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#ffffaa\" height=\"92\" id=\"canvas_background\" width=\"347\" 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; <g id=\"svg_4\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"37\" x2=\"37\" y1=\"15.25\" y2=\"36.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"73\" x2=\"73\" y1=\"15.25\" y2=\"36.25\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"36\" x2=\"73\" y1=\"25.25\" y2=\"25\"><\/line> <\/g> <g id=\"svg_8\"> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"37\" x2=\"37\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"73\" x2=\"73\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"36\" x2=\"73\" y1=\"60.25\" y2=\"60\"><\/line> <\/g> <g id=\"svg_12\"> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"73\" x2=\"73\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"109\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"72\" x2=\"109\" y1=\"60.25\" y2=\"60\"><\/line> <\/g> <g id=\"svg_16\"> <line fill=\"none\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"109\" x2=\"109\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_14\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"145\" x2=\"145\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"108\" x2=\"145\" y1=\"60.25\" y2=\"60\"><\/line> <\/g> <g id=\"svg_20\"> <line fill=\"none\" id=\"svg_17\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"145\" x2=\"145\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_18\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"181\" x2=\"181\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_19\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"144\" x2=\"181\" y1=\"60.25\" y2=\"60\"><\/line> <\/g> <g id=\"svg_24\"> <line fill=\"none\" id=\"svg_21\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"181\" x2=\"181\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_22\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"217\" x2=\"217\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_23\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"180\" x2=\"217\" y1=\"60.25\" y2=\"60\"><\/line> <\/g> <g id=\"svg_28\"> <line fill=\"none\" id=\"svg_25\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"217\" x2=\"217\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_26\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"253\" x2=\"253\" y1=\"50.25\" y2=\"71.25\"><\/line> <line fill=\"none\" id=\"svg_27\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"216\" x2=\"253\" y1=\"60.25\" y2=\"60\"><\/line> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_29\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"32.25\">B&eacute;<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_30\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"67.25\">M\u1eb9<\/text> <path d=\"m269.80822,15.18622c0,-6.77229 -1.30088,-10.94699 -6.13274,-11.78193l0.12389,-0.18554c7,0.18554 8.92035,3.33976 8.92035,13.45181l0,14.00843c0,6.21566 0.43363,9.18434 4.95575,10.85422l0,0.18554c-4.46017,1.66988 -4.95575,4.63855 -4.95575,10.76145l0,14.93614c0,9.74096 -2.41593,12.5241 -8.92035,12.80241l-0.12389,-0.18508c4.95575,-1.11325 6.13274,-4.8241 6.13274,-11.87516l0,-14.93614c0,-6.30843 0.55752,-9.92651 5.20354,-11.50361l0,-0.18554c-4.70796,-1.66988 -5.20354,-5.56626 -5.20354,-11.8747l0,-14.47229z\" fill=\"#000000\" id=\"svg_31\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_32\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"286\" xml:space=\"preserve\" y=\"47.25\">35 tu\u1ed5i<\/text> <\/g> <\/svg><\/span><\/p><p>T\u1ed5ng s\u1ed1 ph\u1ea7n b\u1eb1ng nhau l&agrave; 1 + 6 = 7 (ph\u1ea7n).<\/p><p>S\u1ed1 tu\u1ed5i c\u1ee7a b&eacute; l&agrave; 35 : 7 x 1 = 5 (tu\u1ed5i).<\/p><p>S\u1ed1 tu\u1ed5i c\u1ee7a m\u1eb9 l&agrave; 35&nbsp;&ndash; 5 = 30 (tu\u1ed5i).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 15:33:21","option_type":"txt","len":2},{"id":"5133","post_id":"9111","mon_id":"1159414","chapter_id":"1159500","question":"<p>B\u1ed1 h\u01a1n b&eacute; 32&nbsp;tu\u1ed5i. S\u1ed1 tu\u1ed5i c\u1ee7a b\u1ed1 g\u1ea5p 5 l\u1ea7n s\u1ed1 tu\u1ed5i c\u1ee7a b&eacute;. T&iacute;nh s\u1ed1 tu\u1ed5i c\u1ee7a m\u1ed7i ng\u01b0\u1eddi.<\/p>","options":["<strong>A.<\/strong> B\u1ed1 42 tu\u1ed5i, b&eacute; 10 tu\u1ed5i.","<strong>B.<\/strong> B\u1ed1 40 tu\u1ed5i, b&eacute; 10 tu\u1ed5i.","<strong>C.<\/strong> B\u1ed1 42 tu\u1ed5i, b&eacute; 8 tu\u1ed5i.","<strong>D.<\/strong> B\u1ed1 40 tu\u1ed5i, b&eacute; 8 tu\u1ed5i."],"correct":"4","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong> B\u1ed1 40 tu\u1ed5i, b&eacute; 8 tu\u1ed5i.<\/span><\/p><p><span class=\"svgedit\"><svg height=\"80\" width=\"250\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#ffd4aa\" height=\"82\" id=\"canvas_background\" width=\"252\" 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><g id=\"svg_4\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"47\" x2=\"47\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"47\" x2=\"84\" y1=\"24.25\" y2=\"24.25\"><\/line> <\/g> <g id=\"svg_8\"> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"47\" x2=\"47\" y1=\"53.25\" y2=\"76.25\"><\/line> <line fill=\"none\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"53.25\" y2=\"76.25\"><\/line> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"47\" x2=\"84\" y1=\"65.25\" y2=\"65.25\"><\/line> <\/g> <g id=\"svg_12\"> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"85\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"123\" x2=\"123\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"85\" x2=\"122\" y1=\"24.25\" y2=\"24.25\"><\/line> <\/g> <g id=\"svg_16\"> <line fill=\"none\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"123\" x2=\"123\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_14\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"161\" x2=\"161\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_15\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"123\" x2=\"160\" y1=\"24.25\" y2=\"24.25\"><\/line> <\/g> <g id=\"svg_20\"> <line fill=\"none\" id=\"svg_17\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"161\" x2=\"161\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_18\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"199\" x2=\"199\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_19\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"161\" x2=\"198\" y1=\"24.25\" y2=\"24.25\"><\/line> <\/g> <g id=\"svg_24\"> <line fill=\"none\" id=\"svg_21\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"199\" x2=\"199\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_22\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"237\" x2=\"237\" y1=\"12.25\" y2=\"35.25\"><\/line> <line fill=\"none\" id=\"svg_23\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"199\" x2=\"236\" y1=\"24.25\" y2=\"24.25\"><\/line> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_25\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"6\" xml:space=\"preserve\" y=\"27.25\">B\u1ed1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_26\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"6\" xml:space=\"preserve\" y=\"70.25\">B&eacute;<\/text> <path d=\"m160.08945,-6.52758c0,-13.28072 -0.74336,-21.46747 -3.50443,-23.10482l0.0708,-0.36386c4,0.36386 5.09735,6.5494 5.09735,26.37952l0,27.47109c0,12.18916 0.24779,18.01084 2.83186,21.28554l0,0.36386c-2.54867,3.2747 -2.83186,9.09639 -2.83186,21.10362l0,29.29036c0,19.10241 -1.38053,24.56024 -5.09735,25.10603l-0.0708,-0.36295c2.83186,-2.18313 3.50443,-9.46024 3.50443,-23.28766l0,-29.29036c0,-12.37108 0.31858,-19.46627 2.97345,-22.55904l0,-0.36386c-2.69027,-3.2747 -2.97345,-10.91566 -2.97345,-23.28675l0,-28.38072z\" fill=\"#000000\" id=\"svg_27\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(90 160.58502197265628,45.503749847412124) \"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_28\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"136.00001\" xml:space=\"preserve\" y=\"68.62501\">32 tu\u1ed5i<\/text> <\/g> <\/svg><\/span><\/p><p>Hi\u1ec7u s\u1ed1 ph\u1ea7n b\u1eb1ng nhau l&agrave; 5&nbsp;&ndash; 1 = 4 (ph\u1ea7n).<\/p><p>S\u1ed1 tu\u1ed5i c\u1ee7a b\u1ed1 l&agrave; 32 : 4 x 5 = 40 (tu\u1ed5i).<\/p><p>S\u1ed1 tu\u1ed5i c\u1ee7a b&eacute; l&agrave; 40&nbsp;&ndash; 32 = 8 (tu\u1ed5i).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 15:39:50","option_type":"txt","len":2},{"id":"5135","post_id":"9111","mon_id":"1159414","chapter_id":"1159500","question":"<p>Vi\u1ebft t\u1ec9 s\u1ed1&nbsp;<span class=\"math-tex\">$\\dfrac{6}{25}$<\/span>&nbsp;d\u01b0\u1edbi d\u1ea1ng t\u1ec9 s\u1ed1 ph\u1ea7n tr\u0103m.<\/p>","options":["<strong>A.<\/strong> 2,4%","<strong>B.<\/strong> 24%","<strong>C.<\/strong> 6%","<strong>D.<\/strong> 25%"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;24%.<\/span><\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{6}{25}=\\dfrac{6\\times4}{25\\times4}=\\dfrac{24}{100}=24\\%$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 15:42:39","option_type":"txt","len":0}]}