• 2022-06-09
    设[tex=9.929x1.429]J3ng1z8v9JVikLU2bcUxwnVV0ysHFJsJzxYvNCZ9VmyvOwRDxfJ47icUnuovuxDe[/tex],证明:[tex=17.929x2.786]jQqwuTpOAT0Myw63auyj1jc1qcVtQHgk/Y3dNHc75kQUrLK+z3rwfaf/CE1e+cqYwDCNQX6ZmZlliljpefoaA3sfbr1gXDzsBXo21qR50wKJoOTMrcxoRoUZnR2MU4ts[/tex]  当[tex=2.5x1.143]WHvOziYYJdz0BFGLmQB/8g==[/tex]时成立。