找规律(1)-1,0,2,6,14,(),62,126 (2)1,-1/2,-4/1,1/5,(),()
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找规律(1)-1,0,2,6,14,(),62,126 (2)1,-1/2,-4/1,1/5,(),()
![找规律(1)-1,0,2,6,14,(),62,126 (2)1,-1/2,-4/1,1/5,(),()](/uploads/image/z/5538221-53-1.jpg?t=%E6%89%BE%E8%A7%84%E5%BE%8B%281%29-1%2C0%2C2%2C6%2C14%2C%28%29%2C62%2C126+%282%291%2C-1%2F2%2C-4%2F1%2C1%2F5%2C%28%29%2C%28%29)
(1)-1,0,2,6,14,(30),62,126 ,规律是相邻两项的差值依次为1,2,4,8,16,32,64,也就是从2的0次方到2的6次方
(2)1,-1/2,-4/1,1/5,(),()
(2)1,-1/2,-4/1,1/5,(),()