一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?

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一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?

一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?
一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?
一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?

一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?一次给出下列一组数:-1,2,-4,8,-16,32.第n项呢?
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