Cộng, trừ số đo thời gian - Bài tập nâng cao

Home Lớp 5 Toán lớp 5 - Sách Kết nối tri thức Bài 57. Cộng, trừ số đo thời gianBài tập nâng cao

{"common":{"save":0,"post_id":"8454","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4680","post_id":"8454","mon_id":"1159414","chapter_id":"1159498","question":"M\u1ed9t ng\u01b0\u1eddi \u0111i t\u1eeb A \u0111\u1ebfn B h\u1ebft 1 gi\u1edd 18 phút. Sau \u0111ó l\u1ea1i \u0111i t\u1eeb B v\u1ec1 A. Bi\u1ebft th\u1eddi gian \u0111i t\u1eeb B v\u1ec1 A nhi\u1ec1u h\u01a1n th\u1eddi gian \u0111i t\u1eeb A \u0111\u1ebfn B 40 phút. H\u1ecfi c\u1ea3 th\u1eddi gian \u0111i và th\u1eddi gian v\u1ec1 h\u1ebft bao lâu?<\/p>","options":["A.<\/strong> 3 gi\u1edd 6 phút","B.<\/strong> 2 gi\u1edd 58 phút","C.<\/strong> 2 gi\u1edd 26 phút","D.<\/strong> 3 gi\u1edd 16 phút"],"correct":"4","level":"3","hint":"","answer":"Ch\u1ecdn D.<\/strong> 3 gi\u1edd 16 phút.<\/span><\/p>Th\u1eddi gian \u0111i t\u1eeb B v\u1ec1 A là:<\/p>1 gi\u1edd 18 phút + 40 phút = 1 gi\u1edd 58 phút.<\/p><svg height=\"120\" width=\"160\"> <g><title><\/title><rect fill=\"#003f7f\" height=\"122\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"25\">1 gi\u1edd 18 phút<\/text> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"76\" xml:space=\"preserve\" y=\"60\">40 phút<\/text> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"105\">1 gi\u1edd 58 phút<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#ffffff\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"12.83333\" x2=\"152.83333\" y1=\"72.58333\" y2=\"72.58333\"><\/line> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#ffffff\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.83333\" xml:space=\"preserve\" y=\"49.58333\">+<\/text> <\/g> <\/svg><\/span><\/p>T\u1ed5ng th\u1eddi gian \u0111i và th\u1eddi gian v\u1ec1 là: <\/p>1 gi\u1edd 18 phút + 1 gi\u1edd 58 phút = 2 gi\u1edd 76 phút = 3 gi\u1edd 16 phút.<\/p><svg height=\"120\" width=\"160\"> <g><title><\/title><rect fill=\"#003f7f\" height=\"122\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"25\">1 gi\u1edd 18 phút<\/text> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: text;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"105\">2 gi\u1edd 76 phút<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#ffffff\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"12.83333\" x2=\"152.83333\" y1=\"72.58333\" y2=\"72.58333\"><\/line> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#ffffff\" stroke-width=\"0\" text-anchor=\"start\" x=\"7.83333\" xml:space=\"preserve\" y=\"49.58333\">+<\/text> <text fill=\"#ffffff\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"60\">1 gi\u1edd 58 phút<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 11:35:19","option_type":"txt","len":2},{"id":"4683","post_id":"8454","mon_id":"1159414","chapter_id":"1159498","question":"Lúc 6 gi\u1edd 30 phút, m\u1ed9t \u0111oàn tàu h\u1ecfa \u0111i t\u1eeb ga A \u0111\u1ebfn ga B h\u1ebft 90 phút, sau \u0111ó d\u1eebng \u1edf ga B 15 phút. \u0110oàn tàu ti\u1ebfp t\u1ee5c \u0111i t\u1eeb ga B và \u0111\u1ebfn ga C lúc 10 gi\u1edd. H\u1ecfi \u0111oàn tàu \u0111i t\u1eeb ga B \u0111\u1ebfn ga C h\u1ebft bao lâu?<\/p>","options":["A.<\/strong> 1 gi\u1edd 50 phút","B.<\/strong> 1 gi\u1edd 45 phút","C.<\/strong> 2 gi\u1edd 5 phút","D.<\/strong> 2 gi\u1edd 15 phút"],"correct":"2","level":"3","hint":"","answer":"Ch\u1ecdn B.<\/strong> 1 gi\u1edd 45 phút.<\/span><\/p>T\u1ed5ng th\u1eddi gian \u0111i t\u1eeb ga A \u0111\u1ebfn ga C là:<\/p>10 gi\u1edd – 6 gi\u1edd 30 phút = 9 gi\u1edd 60 phút – 6 gi\u1edd 30 phút = 3 gi\u1edd 30 phút. <svg height=\"120\" width=\"160\"> <g><title><\/title><rect fill=\"#7f003f\" height=\"122\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"21.83333\" xml:space=\"preserve\" y=\"28.58333\"><\/text> <text fill=\"#ffff56\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"25\">9 gi\u1edd 60 phút<\/text> <text fill=\"#ffff56\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"60\">6 gi\u1edd 30 phút<\/text> <text fill=\"#ffff56\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: text;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"105\">3 gi\u1edd 30 phút<\/text> <line fill=\"none\" id=\"svg_6\" stroke=\"#ffff56\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"8.83333\" x2=\"149.83333\" y1=\"76.58333\" y2=\"76.58333\"><\/line> <line fill=\"none\" id=\"svg_7\" stroke=\"#ffff56\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"4.83333\" x2=\"17.83333\" y1=\"36.58333\" y2=\"36.58333\"><\/line> <\/g> <\/svg><\/span><\/p>T\u1ed5ng th\u1eddi gian \u0111i t\u1eeb ga A \u0111\u1ebfn ga B và th\u1eddi gian ngh\u1ec9 là:<\/p>90 phút + 15 phút = 105 phút = 1 gi\u1edd 45 phút.<\/p>Th\u1eddi gian \u0111oàn tàu \u0111i t\u1eeb ga B \u0111\u1ebfn ga C là:<\/p>3 gi\u1edd 30 phút – 1 gi\u1edd 45 phút = 2 gi\u1edd 90 phút – 1 gi\u1edd 45 phút = 1 gi\u1edd 45 phút.<\/p><svg height=\"120\" width=\"160\"> <g><title><\/title><rect fill=\"#7f003f\" height=\"122\" id=\"canvas_background\" width=\"162\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_2\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"21.83333\" xml:space=\"preserve\" y=\"28.58333\"><\/text> <text fill=\"#ffff56\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"25\">2 gi\u1edd 90 phút<\/text> <text fill=\"#ffff56\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"60\">1 gi\u1edd 45 phút<\/text> <text fill=\"#ffff56\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"25\" xml:space=\"preserve\" y=\"105\">1 gi\u1edd 45 phút<\/text> <line fill=\"none\" id=\"svg_6\" stroke=\"#ffff56\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"8.83333\" x2=\"149.83333\" y1=\"76.58333\" y2=\"76.58333\"><\/line> <line fill=\"none\" id=\"svg_7\" stroke=\"#ffff56\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"4.83333\" x2=\"17.83333\" y1=\"36.58333\" y2=\"36.58333\"><\/line> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 11:46:14","option_type":"txt","len":2},{"id":"4687","post_id":"8454","mon_id":"1159414","chapter_id":"1159498","question":"M\u1ed9t chi\u1ebfc \u0111\u1ed3ng h\u1ed3 ch\u1ea1y ch\u1eadm 15 phút so v\u1edbi th\u1eddi gian \u0111úng. H\u1ecfi th\u1eddi \u0111i\u1ec3m \u0111\u1ed3ng h\u1ed3 \u0111ó ch\u1ec9 17 gi\u1edd 55 phút thì th\u1eddi gian \u0111úng là m\u1ea5y gi\u1edd?<\/p>","options":["A.<\/strong> 18 gi\u1edd 10 phút","B.<\/strong> 19 gi\u1edd 10 phút","C.<\/strong> 17 gi\u1edd 55 phút","D.<\/strong> 17 gi\u1edd 40 phút"],"correct":"1","level":"3","hint":"","answer":"Ch\u1ecdn A.<\/strong> 18 gi\u1edd 10 phút.<\/span><\/p>Th\u1eddi \u0111i\u1ec3m \u0111\u1ed3ng h\u1ed3 \u0111ó ch\u1ec9 17 gi\u1edd 55 phút thì th\u1eddi gian \u0111úng là:<\/p>17 gi\u1edd 55 phút + 15 phút = 17 gi\u1edd 70 phút = 18 gi\u1edd 10 phút.<\/p><svg height=\"120\" width=\"160\"> <g> <title><\/title> <rect fill=\"#003f7f\" height=\"122\" id=\"canvas_background\" width=\"162\" 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> <title><\/title> <text fill=\"#ffff00\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"23\" xml:space=\"preserve\" y=\"25\">17 gi\u1edd 55 phút<\/text> <text fill=\"#ffff00\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"84\" xml:space=\"preserve\" y=\"60\">15 phút<\/text> <text fill=\"#ffff00\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"23\" xml:space=\"preserve\" y=\"105\">17 gi\u1edd 70 phút<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#ffff00\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"8.83333\" x2=\"152.83333\" y1=\"70.58333\" y2=\"70.58333\"><\/line> <text fill=\"#ffff00\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"25\" id=\"svg_6\" stroke=\"#ffff00\" stroke-width=\"0\" text-anchor=\"start\" x=\"5.83333\" xml:space=\"preserve\" y=\"48.58333\">+<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 11:53:10","option_type":"txt","len":2}]}