• 2022-06-03
    证明下面的性质对格[tex=0.714x1.0]ravtxd2oof9d0U26ZFAIhw==[/tex]的所有元素[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]、[tex=0.5x1.0]iwXm0SwS+lfupyC0IyH8yQ==[/tex]、[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]成立:[tex=20.143x1.357]qo9mBx5FHZB+Et+moWpU3y3WgfyJdAfh1byhIxSM+cz0lS2Uss+xNtwfnnu7FiLAiBcvURRbWPkX8+vDgP5HsTq8LYNBqN794KAx7FtP7WA=[/tex]
  • 举一反三