[3] BIẾT ( )( )1 2 1X X = + ++ +1 A. S = 1 . B. S = 0 . C....

Question

Câu 19:  [3] Biết  ( )( )1 2 1x x = + ++ +1 A.   S = 1 .  B.   S = 0 .  C.   S = − 1 .  D.   S = 2 .

Accepted Answer

Tổng câu trắc nghiệm: 30. 221 222 223 224 225 226 1 [] C [] A [] C [] B [] C [] B 2 [] A [] D [] [] [] C [] B 3 [] B [] D [] D [] C [] [] A 4 [] B [] D [] C [] B [] A [] D 5 [] D [] D [] D [] B [] A [] D 6 [] A [] D [] B [] C [] D [] 7 [] A [] B [] C [] C [] D [] D 8 [] C [] C [] A [] C [] D [] C 9 [] C [] D [] D [] D [] A [] A 10 [] C [] A [] C [] A [] A [] D 11 [] B [] A [] A [] A [] C [] D 12 [] C [] C [] C [] B [] A [] A 13 [] A [] B [] D [] B [] A [] D 14 [] C [] B [] A [] C [] C [] A 15 [] B [] B [] C [] C [] B [] C 16 [] D [] B [] B [] C [] B [] B 17 [] [] B [] C [] B [] C [] D 18 [] C [] A [] A [] C [] B [] C 19 [] B [] [] A [] C [] D [] D 20 [] A [] D [] A [] C [] A [] D 21 [] A [] A [] C [] A [] C [] B 22 [] C [] A [] D [] A [] C [] C 23 [] A [] A [] D [] B [] D [] A 24 [] B [] A [] D [] D [] D [] A 25 [] A [] C [] C [] B [] B [] B 26 [] A [] D [] B [] A [] A [] C 27 [] C [] C [] C [] A [] C [] A 28 [] A [] C [] D [] D [] C [] A 29 [] C [] B [] D [] A [] C [] B 30 [] A [] B [] A [] B [] A [] A

[3] BIẾT ( )( )1 2 1X X = + ++ +1 A. S = 1 . B. S = 0 . C....

Câu 19: [3] Biết ( )( )

1 2 1

x x = + +

+ +

A. S = 1 . B. S = 0 . C. S = − 1 . D. S = 2 .

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