а) =4+4х+х(2)
в) =4х(2)+12ху+9у(2)
б) =16х(2)-8х+1
г) =х(4)-10х(2)+25
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а) =4+4х+х(2)
в) =4х(2)+12ху+9у(2)
б) =16х(2)-8х+1
г) =х(4)-10х(2)+25