4x+k(1-x)/1+x=3有负根,则k的取值范围是?A.k≠2 B.k>3或k<1 C.1<k<3 D.1<k<3且k≠2

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4x+k(1-x)/1+x=3有负根,则k的取值范围是?A.k≠2B.k>3或k<1C.1<k<3D.1<k<3且k≠24x+k(1-x)/1+x=3有负根,则k的取值范围是?A.k≠2B.k>3或k

4x+k(1-x)/1+x=3有负根,则k的取值范围是?A.k≠2 B.k>3或k<1 C.1<k<3 D.1<k<3且k≠2
4x+k(1-x)/1+x=3有负根,则k的取值范围是?A.k≠2 B.k>3或k<1 C.1<k<3 D.1<k<3且k≠2

4x+k(1-x)/1+x=3有负根,则k的取值范围是?A.k≠2 B.k>3或k<1 C.1<k<3 D.1<k<3且k≠2
当然选c