找規(guī)律2,-4,8,-16,32,-64這一組數(shù)中第2013個數(shù)是什么?第n個呢?
找規(guī)律2,-4,8,-16,32,-64這一組數(shù)中第2013個數(shù)是什么?第n個呢?
數(shù)學(xué)人氣:757 ℃時間:2019-08-19 15:17:34
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