• 2022-06-08 问题

    设投掷1颗骰子的点数为X,则( ) 未知类型:{'options': ['E(X)=3.5,D(X)= [img=29x21]17e43c3db9dc21b.png[/img]', ' E(X)=3.5, D(X)= [img=22x41]17e43c3dc2146ee.png[/img]', ' E(X)=3.5,D(X)=3.5', ' E(X)=3.5,D(X)=[img=22x41]17e43c3dcacf7d1.png[/img]'], 'type': 102}

    设投掷1颗骰子的点数为X,则( ) 未知类型:{'options': ['E(X)=3.5,D(X)= [img=29x21]17e43c3db9dc21b.png[/img]', ' E(X)=3.5, D(X)= [img=22x41]17e43c3dc2146ee.png[/img]', ' E(X)=3.5,D(X)=3.5', ' E(X)=3.5,D(X)=[img=22x41]17e43c3dcacf7d1.png[/img]'], 'type': 102}

  • 2022-06-19 问题

    以下表示,哪个编写是对的()(2.0) A: int x=3.5 B: float x=3.5 C: char x=a D: double x=2

    以下表示,哪个编写是对的()(2.0) A: int x=3.5 B: float x=3.5 C: char x=a D: double x=2

  • 2022-06-29 问题

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

  • 2022-06-29 问题

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

  • 2022-07-26 问题

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

  • 2022-07-26 问题

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

  • 2022-06-30 问题

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

    下列矩阵中可对角化的是(      ). 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BMni8ysmVaTtLHgy74Vi2AOqbHnPhVfpdXXn+WusoD7lYGiPshUDFkCNh/O59PYRk=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X919j7TNOX98jRvEZbZYqy5/YuKJE/czuAVLWqqLen5O/WGj7KS9sNJTQUB7/LNUQabnHM7r8BxulJ3AyRQrliP0=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BGjCn9MFhzO5VOOBZf/PYuFPogJF2gAoZbOEha8Y9MEgNY223QRrnLZy0aUY0Dz6g=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9+skOAxb1CjGaZNNuUh+ksufSHu8mekD0Phk3e2FnctjUcCJ+68EE+y9m8GS8W9PduFW9QWa9YQLryzsLc3iaP4=[/tex]'], 'type': 102}

  • 2022-06-29 问题

    下列矩阵中不能对角化的矩阵是(   ) 请说明理由. 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5ABojMwFM0bOvuzXnJRA80lSSzu3pA8nr3YoadJNJKgi4NpyPyLj/6dzK5zqwIgQOQ=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5Bun6b7FIMkWe3/CeLfDWUQrZlirMfispNge1azOg8ngogHvkb8/orZjxsXdderIv8=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5AkQyB0asvcNA5Uqq5uTmYI+5+0EiD3lr1nnSEkLQX33rnDyeXEuqfQSnRUNAA/HQA=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BC2lZjoR3c94k2wDjBavjQgdFKe3z+lQNDIpVRpLuWmXdXASunp2+oqDhB3WJLbCI=[/tex]'], 'type': 102}

    下列矩阵中不能对角化的矩阵是(   ) 请说明理由. 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5ABojMwFM0bOvuzXnJRA80lSSzu3pA8nr3YoadJNJKgi4NpyPyLj/6dzK5zqwIgQOQ=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5Bun6b7FIMkWe3/CeLfDWUQrZlirMfispNge1azOg8ngogHvkb8/orZjxsXdderIv8=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5AkQyB0asvcNA5Uqq5uTmYI+5+0EiD3lr1nnSEkLQX33rnDyeXEuqfQSnRUNAA/HQA=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BC2lZjoR3c94k2wDjBavjQgdFKe3z+lQNDIpVRpLuWmXdXASunp2+oqDhB3WJLbCI=[/tex]'], 'type': 102}

  • 2022-06-29 问题

    下列矩阵中不能对角化的矩阵是(   ) 请说明理由. 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5ABojMwFM0bOvuzXnJRA80lSSzu3pA8nr3YoadJNJKgi4NpyPyLj/6dzK5zqwIgQOQ=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5Bun6b7FIMkWe3/CeLfDWUQrZlirMfispNge1azOg8ngogHvkb8/orZjxsXdderIv8=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5AkQyB0asvcNA5Uqq5uTmYI+5+0EiD3lr1nnSEkLQX33rnDyeXEuqfQSnRUNAA/HQA=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BC2lZjoR3c94k2wDjBavjQgdFKe3z+lQNDIpVRpLuWmXdXASunp2+oqDhB3WJLbCI=[/tex]'], 'type': 102}

    下列矩阵中不能对角化的矩阵是(   ) 请说明理由. 未知类型:{'options': ['[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5ABojMwFM0bOvuzXnJRA80lSSzu3pA8nr3YoadJNJKgi4NpyPyLj/6dzK5zqwIgQOQ=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5Bun6b7FIMkWe3/CeLfDWUQrZlirMfispNge1azOg8ngogHvkb8/orZjxsXdderIv8=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5AkQyB0asvcNA5Uqq5uTmYI+5+0EiD3lr1nnSEkLQX33rnDyeXEuqfQSnRUNAA/HQA=[/tex]', '[tex=6.143x3.5]075gCzZzsMRb6HYXYk9X9x+sFUF7ts5JDc+UK5o3q5BC2lZjoR3c94k2wDjBavjQgdFKe3z+lQNDIpVRpLuWmXdXASunp2+oqDhB3WJLbCI=[/tex]'], 'type': 102}

  • 2022-06-12 问题

    设随机变量X在区间&#91;2,4&#93;上服从均匀分布,则P{2<X<3}=( ). A: P{3.5<X<4.5} B: P{1.5<X<2.5} C: P{2.5<X<3.5} D: P{4.5<X<5.5}

    设随机变量X在区间&#91;2,4&#93;上服从均匀分布,则P{2<X<3}=( ). A: P{3.5<X<4.5} B: P{1.5<X<2.5} C: P{2.5<X<3.5} D: P{4.5<X<5.5}

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