找规律填数:1,5,14,30,55,这组数的规律是?
人气:202 ℃ 时间:2019-08-20 20:07:58
解答
5=2^2+1
14=3^2+5
30=4^2+14
55=5^2+30=55
就是第n个数=n^2+a(n-1)
像这样的问题自己多尝试下,下次才会的!
祝你学业进步!
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