设A，B为[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶矩阵，记[tex=2.071x1.286]CB4uEC1hr/VhqmPghp433A==[/tex]为矩阵X的秩，（X Y）表示分块矩阵，则 未知类型：{'options': ['[tex=6.929x1.286]z88Mm5B2c55U/Nbimp+eHkcWssAuOx6JjKrAjXWEnBw=[/tex]', '[tex=6.929x1.286]GqA0E36AjSnb9LeaEdzVvnUOfZPdNJA/Tsu25tUC9UI=[/tex]', '[tex=11.571x1.286]IdoehiDAfKMRDdovETqmQAgNcpEAnjaaZYN4ZgKk0Po=[/tex]', '[tex=8.5x1.286]TrcHQr0D01exRb/uwO/xuGZ/vSq+uJ/LyejtkmN3aRA=[/tex]'], 'type': 102}