• 2022-07-28
    命题“若a>b则a-8>b-8”的逆否命题是??A.若a<b,则a-8<b-8??B.若a-8>b-8,则a>b??C.若a≤b则a-8≤b-8??D.若a-8≤b-8则a≤b?