觀察下列一組數(shù):10/3,-26/5,50/7,-82/9…它們是按一定規(guī)律排列的,那么, 這一組數(shù)有什么規(guī)律?
觀察下列一組數(shù):10/3,-26/5,50/7,-82/9…它們是按一定規(guī)律排列的,那么, 這一組數(shù)有什么規(guī)律?
數(shù)學(xué)人氣:450 ℃時間:2020-10-01 17:53:30
優(yōu)質(zhì)解答
規(guī)律是:[(-1)^(n+1)][(2n+1)²+1]/(2n+1)
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