Luyện tập chung - Bài tập dễ

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 55: Luyện tập chungBài tập cơ bản

{"common":{"save":0,"post_id":"8449","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4599","post_id":"8449","mon_id":"1159414","chapter_id":"1159497","question":"Cho hình h\u1ed9p ch\u1eef nh\u1eadt có chi\u1ec1u dài là 36 cm, chi\u1ec1u r\u1ed9ng là 30 cm và chi\u1ec1u cao là 15 cm. Tính di\u1ec7n tích xung quanh c\u1ee7a hình h\u1ed9p ch\u1eef nh\u1eadt \u0111ó.<\/p>","options":["A.<\/strong> 1908 cm²","B.<\/strong> 1980 cm²","C.<\/strong> 4140 cm²","D.<\/strong> 16 200 cm²"],"correct":"2","level":"1","hint":"\u0110\u1ec3 tính di\u1ec7n tích xung quanh c\u1ee7a hình h\u1ed9p ch\u1eef nh\u1eadt ta l\u1ea5y chu vi m\u1eb7t \u0111áy nhân v\u1edbi chi\u1ec1u cao (cùng \u0111\u01a1n v\u1ecb \u0111o).<\/p>","answer":"Ch\u1ecdn B.<\/strong> 1980 cm².<\/span><\/p>Di\u1ec7n tích xung quanh c\u1ee7a hình h\u1ed9p ch\u1eef nh\u1eadt là:<\/p>2 x (36 + 30) x 15 = 1980 (cm²).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-14 07:48:17","option_type":"txt","len":2},{"id":"4600","post_id":"8449","mon_id":"1159414","chapter_id":"1159497","question":"Cho hình l\u1eadp ph\u01b0\u01a1ng có c\u1ea1nh 15 dm. Tính di\u1ec7n tích toàn ph\u1ea7n c\u1ee7a hình l\u1eadp ph\u01b0\u01a1ng \u0111ó.<\/p>","options":["A.<\/strong> 900 dm²","B.<\/strong> 1125 dm²","C.<\/strong> 3375 dm²","D.<\/strong> 1350 dm²"],"correct":"4","level":"1","hint":"Di\u1ec7n tích toàn ph\u1ea7n c\u1ee7a hình l\u1eadp ph\u01b0\u01a1ng b\u1eb1ng di\u1ec7n tích m\u1ed9t m\u1eb7t nhân v\u1edbi 6.<\/p>","answer":"Ch\u1ecdn D.<\/strong> 1350 dm².<\/span><\/p>Di\u1ec7n tích toàn ph\u1ea7n c\u1ee7a hình l\u1eadp ph\u01b0\u01a1ng là:<\/p>6 x 15 x 15 = 1350 (dm²).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-14 07:53:20","option_type":"txt","len":2},{"id":"4601","post_id":"8449","mon_id":"1159414","chapter_id":"1159497","question":"Hình nào d\u01b0\u1edbi \u0111ây là hình khai tri\u1ec3n c\u1ee7a m\u1ed9t hình l\u1eadp ph\u01b0\u01a1ng ?<\/p>","options":["A.<\/strong> <svg height=\"90\" width=\"110\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"92\" id=\"canvas_background\" width=\"112\" 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>\n<title><\/title>\n<rect fill=\"#aaaaff\" height=\"25\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"6.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"31.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"56.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"81.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"31.27778\" y=\"7.58333\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"31.27778\" y=\"57.58333\"><\/rect> <rect fill=\"#aaaaff\" height=\"25\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"81.27778\" y=\"57.58333\"><\/rect> <\/g> <\/svg><\/span>","B.<\/strong> <svg height=\"90\" width=\"110\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"92\" id=\"canvas_background\" width=\"112\" 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>\n<title><\/title>\n<g id=\"svg_10\"> <rect fill=\"#ffff56\" height=\"25\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"4.27778\" y=\"22.58333\"><\/rect> <rect fill=\"#ffff56\" height=\"25\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"29.27778\" y=\"22.58333\"><\/rect> <rect fill=\"#ffff56\" height=\"25\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"54.27778\" y=\"22.58333\"><\/rect> <rect fill=\"#ffff56\" height=\"25\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"79.27778\" y=\"22.58333\"><\/rect> <rect fill=\"#ffff56\" height=\"25\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"29.27778\" y=\"47.58333\"><\/rect> <rect fill=\"#ffff56\" height=\"25\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"79.27778\" y=\"47.58333\"><\/rect> <\/g> <\/g> <\/svg><\/span>","C.<\/strong> <svg height=\"90\" width=\"110\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"92\" id=\"canvas_background\" width=\"112\" 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>\n<title><\/title>\n<g id=\"svg_8\"> <rect fill=\"#56ffaa\" height=\"25\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"6.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#56ffaa\" height=\"25\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"31.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#56ffaa\" height=\"25\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"56.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#56ffaa\" height=\"25\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"81.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#56ffaa\" height=\"25\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"31.27778\" y=\"7.58333\"><\/rect> <rect fill=\"#56ffaa\" height=\"25\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"31.27778\" y=\"57.58333\"><\/rect> <\/g> <\/g> <\/svg><\/span>","D.<\/strong> <svg height=\"90\" width=\"110\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"92\" id=\"canvas_background\" width=\"112\" 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>\n<title><\/title>\n<g id=\"svg_6\"> <rect fill=\"#ff56ff\" height=\"25\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"18.27778\" y=\"7.58333\"><\/rect> <rect fill=\"#ff56ff\" height=\"25\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"18.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#ff56ff\" height=\"25\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"43.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#ff56ff\" height=\"25\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"68.27778\" y=\"32.58333\"><\/rect> <rect fill=\"#ff56ff\" height=\"25\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"18.27778\" y=\"57.58333\"><\/rect> <rect fill=\"#ff56ff\" height=\"25\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"1.5\" width=\"25\" x=\"68.27778\" y=\"57.58333\"><\/rect> <\/g> <\/g> <\/svg><\/span>"],"correct":"3","level":"1","hint":"","answer":"Hình khai tri\u1ec3n c\u1ee7a m\u1ed9t hình l\u1eadp ph\u01b0\u01a1ng là C.<\/strong><\/span><\/p>Hình khai tri\u1ec3n c\u1ee7a hình l\u1eadp ph\u01b0\u01a1ng có 6 m\u1eb7t hình vuông.<\/p>\u0110áp án A có 7 m\u1eb7t nên sai.<\/p>\u0110áp án B khi g\u1ea5p l\u1ea1i thì m\u1eb7t s\u1ed1 5 và s\u1ed1 6 b\u1ecb trùng nhau nên sai (hình d\u01b0\u1edbi).<\/p><svg height=\"60\" width=\"110\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> <title><\/title> <rect fill=\"none\" height=\"62\" id=\"canvas_background\" width=\"112\" 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> <title><\/title> <image height=\"57\" id=\"svg_1\" width=\"108\" x=\"0\" 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fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"37\" xml:space=\"preserve\" y=\"24.5\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"62\" xml:space=\"preserve\" y=\"23.5\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"87\" xml:space=\"preserve\" y=\"23.5\">4<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"36\" xml:space=\"preserve\" y=\"50.5\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"88\" xml:space=\"preserve\" y=\"49.5\">6<\/text> <\/g> <\/svg><\/span><\/p>\u0110áp án D khi g\u1ea5p l\u1ea1i thì m\u1eb7t s\u1ed1 3 và s\u1ed1 6 b\u1ecb trùng nhau nên sai (hình d\u01b0\u1edbi).<\/p><svg height=\"85\" width=\"85\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> <title><\/title> <rect fill=\"none\" height=\"87\" id=\"canvas_background\" width=\"87\" 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> <title><\/title> <image height=\"81\" id=\"svg_1\" width=\"80\" x=\"1\" 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font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"13\" xml:space=\"preserve\" y=\"46.5\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"13\" xml:space=\"preserve\" y=\"71.5\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"39\" xml:space=\"preserve\" y=\"46.5\">4<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"64\" xml:space=\"preserve\" y=\"46.5\">5<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"12\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"64\" xml:space=\"preserve\" y=\"72.5\">6<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose_img","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-02-14 07:59:18"}]}