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HomeLớp 5Toán lớp 5 - Sách Kết nối tri thứcBài 54. Thực hành tính toán và ước lượng thể tích một số hình khốiBài tập trung bình
{"common":{"save":0,"post_id":"8437","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4661","post_id":"8437","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t hình h\u1ed9p ch\u1eef nh\u1eadt có hình khai tri\u1ec3n nh\u01b0 sau. Tính th\u1ec3 tích c\u1ee7a hình h\u1ed9p ch\u1eef nh\u1eadt \u0111ó.<\/p><p><span class=\"svgedit\"><svg height=\"174.99999999999997\" width=\"160\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"none\" height=\"177\" id=\"canvas_background\" width=\"162\" 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=\"164\" id=\"svg_1\" width=\"147\" x=\"-4.5\" xlink:href=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJMAAACkCAIAAAAc+ItXAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAKBSURBVHhe7dwxSsNgGIfxXELoJA5OTt7A4qS4CIKr8QQeQfAIgZ5B6BFcOuQK7jlKDHwfFYJIIV\/aPm+fP8+c8vor1EFb9Y455ahTjjrlqFOOOuWoU4465ajbq1zXdfVpbLg03zzb9i1XncbCytWPy6ilA8PKdV+r\/nsdr+GufKByrJSjphw15agpR005aspRU46actSUo6YcNeWoKUdNOWrKUVOOmnLUlKOmHDXlqClHTTlqylFTjppy1JSjdmC54VU386xpmnTY6G\/xI5UOHC7NN5fe9j3xt1x6eXeEU466neS6t6p\/L1n7mh5cdauHfv0cr\/bjNh9Y+kc3PDA\/Wbk5Uo6actSUo6YcNeWoKUdNOWrKUVOOmnLUlKOmHDXlqClHTTlqylFTjppy1JSjphw15agpR005aspRU46actSUo6YcNeWoKUdNOWrKUVOOmnLUlKOmHDXlqClHTTlqylE7FrnNS+Ga+\/Tg6u56EbKbq7N04OfT+Pbppe0k545wB5YbfbNgpPKFs+0\/ufm2fU\/4zaTTp1zJlKOmHDXlqClHTTlqylFTjppy1JSjphw15agpR005aspRU46actSUo6YcNeWoKUdNOWrKUVOOmnLUlKMWVq5t23TY5fkiaunA4dJ882w7jFz4hZWrlxdRSwdGk\/v9nAv6P6vDXfnAsL+hKDd5ypVMOWrKUVOOmnLUlKOmHDXlqClHTTlqylFTjppy1JSjphw15agpR005aspRU46actSUo6YcNeWoKUdNOWrKUVOOmnLUlKOmHDXlqClHTTlqylFTjppy1JSjphw15ajFlxt941Kk0oFh5cIvoFx9Gosm5wpOOeqUY67vfwBGhSexDBnAsgAAAABJRU5ErkJggg==\" y=\"12\"><\/image> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"51\" xml:space=\"preserve\" y=\"17\">8 cm<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(90 148.79075622558597,74.58094024658205) matrix(1.08203649520874,0,0,1,-11.984551151646883,1.3668212890625) \" x=\"132.33334\" xml:space=\"preserve\" y=\"78.33334\">6 cm<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" font-weight=\"normal\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(90 117.54369354248047,32.161323547363295) matrix(1.08203649520874,0,0,1,-10.158527345316543,-1.7194633483886719) \" x=\"101.76776\" xml:space=\"preserve\" y=\"39\">4 cm<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 182 cm³","<strong>B.<\/strong> 192 cm³","<strong>C.<\/strong> 212 cm³","<strong>D.<\/strong> 202 cm³"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 192 cm³.<\/span><\/p><p>Th\u1ec3 tích c\u1ee7a hình h\u1ed9p ch\u1eef nh\u1eadt là 8 x 4 x 6 = 192 (cm³).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 10:11:40","option_type":"txt","len":1},{"id":"4663","post_id":"8437","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t hình l\u1eadp ph\u01b0\u01a1ng có hình khai tri\u1ec3n nh\u01b0 sau. Tính th\u1ec3 tích c\u1ee7a hình l\u1eadp ph\u01b0\u01a1ng \u0111ó.<\/p><p><span class=\"svgedit\"><svg height=\"166\" width=\"220\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"none\" height=\"168\" id=\"canvas_background\" width=\"222\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_3\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"170\" id=\"svg_1\" width=\"222\" x=\"-2\" xlink:href=\"data:image\/png;base64,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\" y=\"-4\"><\/image> <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=\"166\" xml:space=\"preserve\" y=\"34\">50 cm<\/text> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 12 500 cm³","<strong>B.<\/strong> 125 cm³","<strong>C.<\/strong> 125 000 cm³","<strong>D.<\/strong> 1250 cm³"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 125 000 cm³.<\/span><\/p><p>Th\u1ec3 tích c\u1ee7a hình l\u1eadp ph\u01b0\u01a1ng là 50 x 50 x 50 = 125 000 (cm³).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 10:18:04","option_type":"txt","len":2},{"id":"4688","post_id":"8437","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t hình l\u1eadp ph\u01b0\u01a1ng có th\u1ec3 tích là 8 m³.<\/p><p>Hình l\u1eadp ph\u01b0\u01a1ng \u0111ó có c\u1ea1nh là <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> m.<\/p>","options":"","correct":["[\"2\"]"],"level":"2","hint":"","answer":"<p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>2<\/strong><\/span>.<\/p><p>Vì 2 x 2 x 2 = 8 nên hình l\u1eadp ph\u01b0\u01a1ng \u0111ó có c\u1ea1nh là 2 m.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-02-16 11:55:51"}]}