已知x/3-y/4=3x+2y-75+3求xy的值 已知x/3-y/4=3x+2y-75=3求xy的值

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已知x/3-y/4=3x+2y-75+3求xy的值已知x/3-y/4=3x+2y-75=3求xy的值已知x/3-y/4=3x+2y-75+3求xy的值已知x/3-y/4=3x+2y-75=3求xy的值

已知x/3-y/4=3x+2y-75+3求xy的值 已知x/3-y/4=3x+2y-75=3求xy的值
已知x/3-y/4=3x+2y-75+3求xy的值
已知x/3-y/4=3x+2y-75=3求xy的值

已知x/3-y/4=3x+2y-75+3求xy的值 已知x/3-y/4=3x+2y-75=3求xy的值
题没打错吧?怎么出现……-75+3