两个根比为2：3,另外两个根差是1,可以假设方程的根为2m、3m和n、n+1根据韦达定理,可知：①2m+3m+n+n+1=7②(2m)(3m)+(2m)n+(2m)(n+1)+(3m)n+(3m)(n+1)+n(n+1)=-4(2m)(3m)n+(2m)(3m)(n+1)+(2m)n(n+1)+(3m)n(n+1)=-52(2...