• 2022-06-29
    设 [tex=3.571x1.357]n9szCAW9NR93NzdWHX2+SBSXYvRAO7ROAT5M25kgbpM=[/tex] 为  [tex=0.714x0.786]6aVdGcNDEBq8XNsxxe6TUKJi2/iXUJ0aYNv4lG2aSNE=[/tex]  阶矩阵。试求 [tex=2.071x1.214]AIIcENrj/QoEqC2nkblzsZfSBpMyVnZ3iK4dopJ3tng=[/tex] 的第 [tex=0.571x1.0]rFc/sfAAuCOtzhevhoREeA==[/tex] 行第 [tex=0.357x1.0]5vVfAZliYwqMw8JaLE+iEA==[/tex] 列。[br][/br]
  • 举一反三