{"common":{"save":0,"post_id":"8409","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4558","post_id":"8409","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t b\u1ec3 c&aacute; c&oacute; d\u1ea1ng h&igrave;nh l\u1eadp ph\u01b0\u01a1ng c\u1ea1nh 1,2 m. H\u1ecfi khi b\u1ec3 \u0111\u1ea7y n\u01b0\u1edbc th&igrave; ch\u1ee9a \u0111\u01b0\u1ee3c bao nhi&ecirc;u l&iacute;t n\u01b0\u1edbc? (bi\u1ebft 1dm&sup3; = 1<span class=\"math-tex\">$l$<\/span>)<\/p>","options":["<strong>A.<\/strong> 1,728 <span class=\"math-tex\">$l$<\/span>","<strong>B.<\/strong> 17,28 <span class=\"math-tex\">$l$<\/span>","<strong>C.<\/strong> 1728 <span class=\"math-tex\">$l$<\/span>","<strong>D.<\/strong> 172,8 <span class=\"math-tex\">$l$<\/span>"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;1728&nbsp;<span class=\"math-tex\">$l$<\/span>.<\/span><\/p><p>Th\u1ec3 t&iacute;ch c\u1ee7a b\u1ec3 c&aacute; l&agrave;: 1,2 x 1,2 x 1,2 = 1,728 (m&sup3;).<\/p><p>\u0110\u1ed5i 1,728 m&sup3; = 1728 dm&sup3; = 1728&nbsp;<span class=\"math-tex\">$l$<\/span>.<\/p><p>V\u1eady khi b\u1ec3 \u0111\u1ea7y n\u01b0\u1edbc th&igrave; ch\u1ee9a \u0111\u01b0\u1ee3c 1728&nbsp;<span class=\"math-tex\">$l$<\/span>&nbsp;n\u01b0\u1edbc.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-12 09:03:32","option_type":"math","len":0},{"id":"4570","post_id":"8409","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t h&igrave;nh \u0111\u01b0\u1ee3c x\u1ebfp t\u1eeb c&aacute;c h&igrave;nh l\u1eadp ph\u01b0\u01a1ng nh\u1ecf nh\u01b0 nhau c&oacute;&nbsp;c\u1ea1nh 3 cm. T&iacute;nh th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh \u0111&oacute;.<\/p><p><span class=\"svgedit\"><svg height=\"140\" width=\"140\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#8484f9\" height=\"142\" id=\"canvas_background\" width=\"142\" 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_65\"> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_62\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"23.5\" x2=\"35.5\" y1=\"44.13889\" y2=\"44.13889\"><\/line> <g id=\"svg_51\"> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_36\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"7.5\" y=\"107.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_37\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"32.5\" y=\"107.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_38\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"57.5\" y=\"107.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_39\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"82.5\" y=\"107.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_40\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"7.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_41\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"32.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_42\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"57.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_43\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"82.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_44\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"7.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_45\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"32.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_46\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"57.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_47\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"82.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_48\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"32.5\" y=\"32.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_49\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"57.5\" y=\"32.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_50\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"82.5\" y=\"32.13889\"><\/rect> <\/g> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_53\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"124.5\" x2=\"106.5\" y1=\"119.13889\" y2=\"132.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_54\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"124.5\" x2=\"106.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_55\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"49.5\" x2=\"31.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_56\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"24.5\" x2=\"6.5\" y1=\"44.13889\" y2=\"57.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_57\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"124.5\" x2=\"106.5\" y1=\"44.13889\" y2=\"57.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_58\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"124.5\" x2=\"106.5\" y1=\"70.13889\" y2=\"83.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_59\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"124.5\" x2=\"106.5\" y1=\"95.13889\" y2=\"108.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_60\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"49.5\" x2=\"124\" y1=\"19\" y2=\"19.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_61\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"124.5\" x2=\"124\" y1=\"19.13889\" y2=\"119.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_63\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"75.5\" x2=\"57.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_64\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"101.5\" x2=\"83.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <\/g> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 40,5 cm&sup3;","<strong>B.<\/strong> 270 cm&sup3;","<strong>C.<\/strong> 405 cm&sup3;","<strong>D.<\/strong> 450 cm&sup3;"],"correct":"3","level":"2","hint":"<p>&nbsp;&nbsp;&nbsp;<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;405 cm&sup3;.<\/span><\/p><p>Th\u1ec3 t&iacute;ch c\u1ee7a m\u1ed9t h&igrave;nh l\u1eadp ph\u01b0\u01a1ng nh\u1ecf l&agrave;: 3 x 3 x 3 = 27 (cm&sup3;).<\/p><p>V&igrave; h&igrave;nh \u0111&atilde; cho g\u1ed3m 15 h&igrave;nh l\u1eadp ph\u01b0\u01a1ng nh\u1ecf n&ecirc;n th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh \u0111&oacute; l&agrave;:<\/p><p>27 x 15 = 405 (cm&sup3;).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-12 09:33:06","option_type":"txt","len":2},{"id":"4572","post_id":"8409","mon_id":"1159414","chapter_id":"1159497","question":"<p>T&iacute;nh th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh b&ecirc;n d\u01b0\u1edbi bi\u1ebft n&oacute; \u0111\u01b0\u1ee3c x\u1ebfp t\u1eeb c&aacute;c h&igrave;nh l\u1eadp ph\u01b0\u01a1ng nh\u01b0 nhau c\u1ea1nh 2 cm.<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"140\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#8484f9\" height=\"122\" id=\"canvas_background\" width=\"142\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_1\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><g id=\"svg_15\"> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"63.5\" x2=\"45.5\" y1=\"6.13889\" y2=\"19.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"37.5\" x2=\"135.99999\" y1=\"6.13889\" y2=\"6.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"37.5\" x2=\"19.5\" y1=\"6.13889\" y2=\"19.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_62\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"18.5\" x2=\"119\" y1=\"19.13889\" y2=\"19.13889\"><\/line> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_36\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"2.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_37\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"27.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_38\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"52.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_39\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"77.5\" y=\"82.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_40\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"2.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_41\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"27.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_42\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"52.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_43\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"77.5\" y=\"57.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_44\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"2.5\" y=\"32.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_45\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"27.5\" y=\"32.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_46\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"52.5\" y=\"32.13889\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_47\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"77.5\" y=\"32.13889\"><\/rect> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_53\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"119.5\" x2=\"101.5\" y1=\"94.13889\" y2=\"107.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_56\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"19.5\" x2=\"1.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_57\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"119.5\" x2=\"101.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_58\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"119.5\" x2=\"101.5\" y1=\"45.13889\" y2=\"58.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_59\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"119.5\" x2=\"101.5\" y1=\"70.13889\" y2=\"83.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_61\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"119.5\" x2=\"119\" y1=\"20.13889\" y2=\"94.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"137.5\" x2=\"119.5\" y1=\"81.13889\" y2=\"94.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"137.5\" x2=\"119.5\" y1=\"6.13889\" y2=\"19.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_10\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"137.5\" x2=\"119.5\" y1=\"32.13889\" y2=\"45.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"137.5\" x2=\"119.5\" y1=\"57.13889\" y2=\"70.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"137.5\" x2=\"137\" y1=\"5.13889\" y2=\"81.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_14\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"45.5\" x2=\"27.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"89.5\" x2=\"71.5\" y1=\"6.13889\" y2=\"19.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"71.5\" x2=\"53.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"114.5\" x2=\"96.5\" y1=\"6.13889\" y2=\"19.13889\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"96.5\" x2=\"78.5\" y1=\"19.13889\" y2=\"32.13889\"><\/line> <\/g> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 129 cm&sup3;","<strong>B.<\/strong> 192 cm&sup3;","<strong>C.<\/strong> 190 cm&sup3;","<strong>D.<\/strong> 291 cm&sup3;"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;192 cm&sup3;.<\/span><\/p><p>Th\u1ec3 t&iacute;ch c\u1ee7a m\u1ed9t h&igrave;nh l\u1eadp ph\u01b0\u01a1ng nh\u1ecf l&agrave;: 2 x 2 x 2 = 8 (cm&sup3;).<\/p><p>H&igrave;nh \u0111&atilde; cho g\u1ed3m 24 h&igrave;nh l\u1eadp ph\u01b0\u01a1ng nh\u1ecf n&ecirc;n c&oacute; th\u1ec3 t&iacute;ch l&agrave;:&nbsp;<\/p><p>8 x 24 = 192 (cm&sup3;).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-12 09:43:05","option_type":"txt","len":1}]}