• 2022-07-23
    设[tex=3.929x1.214]2kwhftafBLoAEyUilDhOxg==[/tex]是代数系统,[tex=0.5x0.786]4ocYMFyE/c2U+6VJoq+vww==[/tex]是[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]上的二元运算,[tex=0.5x0.786]WKYr2kz69xrVCyPvbyVG1w==[/tex]是关于[tex=0.5x0.786]4ocYMFyE/c2U+6VJoq+vww==[/tex]的幺元。对于[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]中的元素[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex],若存在[tex=2.0x1.214]n9jImrQtOGOYw9T0dwlo7g==[/tex],使得[tex=3.286x1.0]9qzhEJI3tLstQMzdmklVIw==[/tex],则称[tex=0.5x1.0]iwXm0SwS+lfupyC0IyH8yQ==[/tex]是[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]的左逆元。若存在[tex=2.0x1.071]FyOsuW/3KMrBvkRVMwH+sg==[/tex],使得[tex=3.286x0.786]sghKZYCvOYhn+PJLi60s8Q==[/tex],则称[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]是[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]的右逆元。指出下表中各元素的左、右逆元的情况。[img=236x220]17834773578c7a9.png[/img]
  • 举一反三