• 2022-06-09
    设[tex=6.214x2.786]3BT1BgBZQ5uJXxD5dg+w22yf3WUDT1WDQ/l2viCm3BlSw0/VFG6FwuGbjRI67m4CN8GHbp6r85GzIbJ5OLVycQ==[/tex],求所有与[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]可交换的矩阵.