• 2022-06-19
    [tex=0.643x1.0]AOSTmhvIsOwsdZlGoks7dg==[/tex]是环,验证 :对所有非负整数 [tex=5.786x1.214]g6dv7srvgnIcSeefDNg0Bs3HjIYpTXJeLSjKze5I/zw=[/tex], 有[tex=10.929x1.429]bXz60oe3mYiG+iW1w4rIdpe2xNCLefzeyjbyX01Vh6UDZbdDqBkGa7rRiH2Z3jghEASlEuYGMfhCnuzjlTI9eA==[/tex]若 [tex=1.429x1.214]rkgrF+YaaESwSQDjR6KfWg==[/tex]交换, 则 [tex=5.714x1.357]rPuuuLWSbQ5sB2ijkwDAs2nRmNUp5L4gWB4RA/H8N5I=[/tex]
  • 举一反三