题文
下列数列为等比数列的是( )
| A.1,2,3,4,5,6, | B.1,2,4,8,16,32, |
| C.0,0,0,0,0,0, | D.1,-2,3,-4,5,-6, |
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下列数列为等比数列的是( )
| A.1,2,3,4,5,6, | B.1,2,4,8,16,32, |
| C.0,0,0,0,0,0, | D.1,-2,3,-4,5,-6, |
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