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HomeLớp 5Toán lớp 5 - Sách Kết nối tri thứcBài 58. Nhân, chia số đo thời gian với một sốBài tập nâng cao
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-0.40846,-0.95998zm2.86359,0.07007c-0.47177,-0.11976 -0.74173,1.04916 -0.37988,1.64731c0.17235,0.28347 0.32448,0.33061 0.51574,0.15734c0.17631,-0.15925 0.2726,-0.45865 0.2726,-0.84595c0,-0.51471 -0.16224,-0.89564 -0.40846,-0.9587zm-1.2689,2.30088c-0.01011,0.04714 -0.05936,0.11721 -0.10904,0.15479c-0.12575,0.09364 -0.21632,0.06115 -0.3491,-0.11403c-0.08222,-0.10765 -0.11959,-0.16435 -0.14465,-0.0516c-0.0233,0.10447 0.12311,0.31405 0.2361,0.37838c0.10376,0.05988 0.17807,0.06179 0.29062,-0.00637c0.11168,-0.06752 0.20928,-0.24907 0.20928,-0.36692c0,-0.10957 -0.1086,-0.10447 -0.13322,0.00573zm-0.13938,-0.36628c0.07167,-0.09173 0.08793,-0.28028 0.01935,-0.3803s-0.20797,-0.08472 -0.26248,0.02739c-0.06331,0.13122 -0.02946,0.23124 0.01583,0.33762c0.07035,0.07899 0.16488,0.09491 0.22731,0.01529z\" fill=\"#bf0000\" id=\"svg_3\" stroke=\"#7f0000\" stroke-width=\"1.5\" transform=\"rotate(84 14.39167022705077,57.44287109375001) \"><\/path> <\/g> <\/svg><\/span><\/p>","options":["<strong>A.<\/strong> 2 ph&uacute;t 14 gi&acirc;y","<strong>B.<\/strong> 1 ph&uacute;t 14 gi&acirc;y","<strong>C.<\/strong> 1 ph&uacute;t 10 gi&acirc;y","<strong>D.<\/strong> 2 ph&uacute;t 10 gi&acirc;y"],"correct":"2","level":"3","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 1 ph&uacute;t 14 gi&acirc;y.<\/span><\/p><p>H&igrave;nh ng&ocirc;i sao c&oacute; 10 c\u1ea1nh.<\/p><p>Trung b&igrave;nh con ki\u1ebfn b&ograve; theo m\u1ed7i c\u1ea1nh h\u1ebft th\u1eddi gian l&agrave;:<\/p><p>12&nbsp;ph&uacute;t 20 gi&acirc;y : 10 = 1&nbsp;ph&uacute;t 14 gi&acirc;y<\/p><p><span class=\"svgedit\"><svg height=\"150\" width=\"340\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#ffffaa\" height=\"152\" id=\"canvas_background\" width=\"342\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_9\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"0\" xml:space=\"preserve\" y=\"24.25\">12 ph&uacute;t 20 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"181\" xml:space=\"preserve\" y=\"24\">10<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"14\" xml:space=\"preserve\" y=\"60.25\">2 ph&uacute;t 20 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"74\" xml:space=\"preserve\" y=\"96.25\">140 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"181\" xml:space=\"preserve\" y=\"60.25\">1 ph&uacute;t 14 gi&acirc;y<\/text> <line fill=\"none\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"173\" x2=\"173\" y1=\"1.25\" y2=\"141.25\"><\/line> <line fill=\"none\" id=\"svg_7\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"173\" x2=\"340\" y1=\"33.25\" y2=\"33.25\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"101\" xml:space=\"preserve\" y=\"132.25\">0<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-09 08:55:52","option_type":"txt","len":2},{"id":"4755","post_id":"8830","mon_id":"1159414","chapter_id":"1159498","question":"<p>T&iacute;nh 1 ph&uacute;t 35 gi&acirc;y x 2 + 10 gi&acirc;y =&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/&gt;&lt;\/p>","options":["<strong>A.<\/strong> 2 ph&uacute;t 20 gi&acirc;y","<strong>B.<\/strong> 3 ph&uacute;t 10 gi&acirc;y","<strong>C.<\/strong> 3 ph&uacute;t 20 gi&acirc;y","<strong>D.<\/strong> 2 ph&uacute;t 70 gi&acirc;y"],"correct":"3","level":"3","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong> 3 ph&uacute;t 20 gi&acirc;y.<\/span><\/p><p>1 ph&uacute;t 35 gi&acirc;y x 2 + 10 gi&acirc;y<\/p><p>= 2 ph&uacute;t 70 gi&acirc;y + 10 gi&acirc;y<\/p><p>= 2 ph&uacute;t 80 gi&acirc;y<\/p><p>= 3 ph&uacute;t 20 gi&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"180\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#aaffd4\" height=\"122\" id=\"canvas_background\" width=\"182\" 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; <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"16\" xml:space=\"preserve\" y=\"25.25\">1 ph&uacute;t 35 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"154\" xml:space=\"preserve\" y=\"68.25\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"3\" xml:space=\"preserve\" y=\"48.25\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"16\" xml:space=\"preserve\" y=\"108.25\">2 ph&uacute;t 70 gi&acirc;y<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"4\" x2=\"172\" y1=\"79.25\" y2=\"79.25\"><\/line> <\/g> <\/svg><\/span>&nbsp;&nbsp;<span class=\"svgedit\"><svg height=\"120\" width=\"180\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#ffaaff\" height=\"122\" id=\"canvas_background\" width=\"182\" 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><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"23.27778\" xml:space=\"preserve\" y=\"28.91666\">2 ph&uacute;t 70 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"95.27778\" xml:space=\"preserve\" y=\"63.91666\">10 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"23.27778\" xml:space=\"preserve\" y=\"109\">2 ph&uacute;t 80 gi&acirc;y<\/text> <line fill=\"none\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"14.27778\" x2=\"173.27778\" y1=\"82\" y2=\"81.91666\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"3.27778\" xml:space=\"preserve\" y=\"52.91666\">+<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-09 08:59:24","option_type":"txt","len":2},{"id":"4757","post_id":"8830","mon_id":"1159414","chapter_id":"1159498","question":"<p>T&iacute;nh 5 ph&uacute;t 30 gi&acirc;y : 5 + 30 gi&acirc;y =&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/&gt;&lt;\/p>","options":["<strong>A.<\/strong> 1 ph&uacute;t 30 gi&acirc;y","<strong>B.<\/strong> 1 ph&uacute;t 6 gi&acirc;y","<strong>C.<\/strong> 1 ph&uacute;t 16 gi&acirc;y","<strong>D.<\/strong> 1 ph&uacute;t 36 gi&acirc;y"],"correct":"4","level":"3","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong> 1 ph&uacute;t 36 gi&acirc;y<\/span><\/p><p>5 ph&uacute;t 30 gi&acirc;y : 5 + 30 gi&acirc;y<\/p><p>= 1 ph&uacute;t 6 gi&acirc;y +&nbsp;30 gi&acirc;y<\/p><p>= 1 ph&uacute;t 36 gi&acirc;y.<\/p><p><span class=\"svgedit\"><svg height=\"120\" width=\"400\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"402\" 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>&lt;title&gt;&lt;\/title><rect fill=\"#d4ffaa\" height=\"110\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" width=\"139\" x=\"257.27778\" y=\"3.91666\"><\/rect> <rect fill=\"#f7f788\" height=\"110\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\" width=\"248\" x=\"4.27778\" y=\"3.91666\"><\/rect> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"9.27778\" xml:space=\"preserve\" y=\"32.91666\"><\/text> <text fill=\"#000000\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"6.27778\" xml:space=\"preserve\" y=\"26.91666\">5 ph&uacute;t 30 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"134.27778\" xml:space=\"preserve\" y=\"56.91666\">1 ph&uacute;t 6 gi&acirc;y<\/text> <text fill=\"#000000\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"149.27778\" xml:space=\"preserve\" y=\"25.91666\">5<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"126.27778\" x2=\"126.27778\" y1=\"3.91666\" y2=\"69.91666\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"246.27778\" x2=\"126.27778\" y1=\"32\" y2=\"31.91666\"><\/line> <text fill=\"#000000\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"6.27778\" xml:space=\"preserve\" y=\"52.91666\">0<\/text> <text fill=\"#000000\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"61.27778\" xml:space=\"preserve\" y=\"77.91666\">30 gi&acirc;y<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"70.27778\" xml:space=\"preserve\" y=\"103.91666\">0<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"279.27778\" xml:space=\"preserve\" y=\"28.91666\">1 ph&uacute;t 6 gi&acirc;y<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"324.27777\" xml:space=\"preserve\" y=\"60.91666\">30 gi&acirc;y<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"269.27778\" xml:space=\"preserve\" y=\"99\">1 ph&uacute;t 36 gi&acirc;y<\/text> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_17\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" x1=\"264.27777\" x2=\"388.27777\" y1=\"72\" y2=\"71.91666\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" font-weight=\"bold\" id=\"svg_18\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"265.27778\" xml:space=\"preserve\" y=\"49.91666\">+<\/text> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-09 09:06:19","option_type":"txt","len":2}]}
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