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HomeLớp 12Toán lớp 12 - Sách Kết nối tri thứcBài 6. Vectơ trong không gianBài tập cơ bản
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H\u1ecfi c&oacute; bao nhi&ecirc;u vect\u01a1 kh&aacute;c vect\u01a1&nbsp;<span class=\"math-tex\">$\\overrightarrow{0}$<\/span>&nbsp;m&agrave; m\u1ed7i vect\u01a1 c&oacute; \u0111i\u1ec3m \u0111\u1ea7u, \u0111i\u1ec3m cu\u1ed1i l&agrave; hai&nbsp;\u0111\u1ec9nh c\u1ee7a t\u1ee9 di\u1ec7n ABCD?<\/p>","options":["<strong>A.<\/strong> 12","<strong>B.<\/strong> 4","<strong>C.<\/strong> 10","<strong>D.<\/strong> 8"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 12.<\/span><\/p><p>S\u1ed1 vect\u01a1 kh&aacute;c vect\u01a1&nbsp;<span class=\"math-tex\">$\\overrightarrow{0}$<\/span>&nbsp;m&agrave; m\u1ed7i vect\u01a1 c&oacute; \u0111i\u1ec3m \u0111\u1ea7u, \u0111i\u1ec3m cu\u1ed1i l&agrave; hai \u0111\u1ec9nh c\u1ee7a t\u1ee9 di\u1ec7n ABCD l&agrave; s\u1ed1 c&aacute;c ch\u1ec9nh h\u1ee3p ch\u1eadp 2 c\u1ee7a 4 ph\u1ea7n t\u1eed&nbsp;&rArr; s\u1ed1 vect\u01a1 l&agrave;&nbsp;<span class=\"math-tex\">$A^2_4=12$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-09-01 01:07:31","option_type":"txt","len":0},{"id":"5556","post_id":"7580","mon_id":"1159285","chapter_id":"1159392","question":"<p>Cho t\u1ee9 di\u1ec7n ABCD. M\u1ec7nh \u0111\u1ec1 n&agrave;o d\u01b0\u1edbi \u0111&acirc;y l&agrave; m\u1ec7nh \u0111\u1ec1 \u0111&uacute;ng?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\overrightarrow{BC}+\\overrightarrow{AB}=\\overrightarrow{DA}-\\overrightarrow{DC}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\overrightarrow{AC}-\\overrightarrow{AD}=\\overrightarrow{BD}-\\overrightarrow{BC}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\overrightarrow{AB}-\\overrightarrow{AC}=\\overrightarrow{DB}-\\overrightarrow{DC}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\overrightarrow{AB}-\\overrightarrow{AD}=\\overrightarrow{CD}+\\overrightarrow{BC}$<\/span>"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\overrightarrow{AB}-\\overrightarrow{AC}=\\overrightarrow{DB}-\\overrightarrow{DC}$<\/span>.<\/span><\/p><p><span class=\"svgedit\"><svg height=\"190\" width=\"220\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#aad4ff\" height=\"192\" id=\"canvas_background\" width=\"222\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"92.5\" x2=\"23.5\" y1=\"10.25\" y2=\"129.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"91.5\" x2=\"198.5\" y1=\"10.25\" y2=\"124.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_3\" stroke=\"#000\" stroke-dasharray=\"5,5\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"21.5\" x2=\"197.5\" y1=\"129.25\" y2=\"123.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"92\" x2=\"135\" y1=\"9.25\" y2=\"169.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"24\" x2=\"133\" y1=\"130.25\" y2=\"167.25\"><\/line> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"197\" x2=\"133\" y1=\"123.25\" y2=\"168.25\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"77\" xml:space=\"preserve\" y=\"13.25\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"150.25\">B<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"120\" xml:space=\"preserve\" y=\"180.25\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"205\" xml:space=\"preserve\" y=\"124.25\">D<\/text> <\/g> <\/svg><\/span><\/p><p><span class=\"math-tex\">$\\overrightarrow{AB}-\\overrightarrow{AC}=\\overrightarrow{CB}$<\/span><\/p><p><span class=\"math-tex\">$\\overrightarrow{DB}-\\overrightarrow{DC}=\\overrightarrow{CB}$<\/span><\/p><p>Suy ra&nbsp;<span class=\"math-tex\">$\\overrightarrow{AB}-\\overrightarrow{AC}=\\overrightarrow{DB}-\\overrightarrow{DC}$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-09-01 01:16:23","option_type":"math","len":0},{"id":"5558","post_id":"7580","mon_id":"1159285","chapter_id":"1159392","question":"<p>Cho h&igrave;nh h\u1ed9p ABCD.A&#39;B&#39;C&#39;D&#39;. Ch\u1ecdn \u0111\u1eb3ng th\u1ee9c vect\u01a1 \u0111&uacute;ng.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\overrightarrow{AC^\\prime}=\\overrightarrow{AB}+\\overrightarrow{AB^\\prime}+\\overrightarrow{AD}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\overrightarrow{DB^\\prime}=\\overrightarrow{DA}+\\overrightarrow{DD^\\prime}+\\overrightarrow{DC}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\overrightarrow{AC^\\prime}=\\overrightarrow{AC}+\\overrightarrow{AB}+\\overrightarrow{AD}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\overrightarrow{DB}=\\overrightarrow{DA}+\\overrightarrow{DD^\\prime}+\\overrightarrow{DC}$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\overrightarrow{DB^\\prime}=\\overrightarrow{DA}+\\overrightarrow{DD^\\prime}+\\overrightarrow{DC}$<\/span>.<\/span><\/p><p><span class=\"svgedit\"><svg 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\" y=\"2\"><\/image> <\/g> <\/svg><\/span><\/p><p>Theo quy t\u1eafc h&igrave;nh h\u1ed9p ta c&oacute;&nbsp;<span class=\"math-tex\">$\\overrightarrow{DB^\\prime}=\\overrightarrow{DA}+\\overrightarrow{DD^\\prime}+\\overrightarrow{DC}$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-09-01 01:25:07","option_type":"math","len":0}]}
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