摘要:AB 2. A 3. D 4. BD 5. C 6. B 7. A 8. A 9. C 10. D
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△ABC中,点D、E分别在AB、AC上,下列条件中,不能判定DE∥BC的是( )
A.AD =5,AB =8,AE =10,AC =16 B.BD =1,AD =3,CE =2,AE =6
C.AB =7,BD =4,AE =4,EC =3 D.AB =AC =9,AD =AE =8
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