In the sequence 2,5,4,10,6,15,p,q,...What are the values of p and

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In the sequence 2,5,4,10,6,15,p,q,...What are the values of p and

In the sequence 2,5,4,10,6,15,p,q,...What are the values of p and
In the sequence 2,5,4,10,6,15,p,q,...What are the values of p and

In the sequence 2,5,4,10,6,15,p,q,...What are the values of p and
8,20
分析:第1,3,5个数是:2,4,6所以下一个是8.同样,第2,4,6个数是:5,10,15,所以下一个是20.

p=8
q=20
望采纳

序列中的2,5,4,10,6,15,P,Q,…p和q的值是什么?

p=8 q=20 要一个跳着一个看 2 4 6 8 5 10 15 20

2x2+1=5 4x2+2=10 6x2+3=15
8x2+4=20 所以p=8 q=20

由规律可得:

  1. 每相隔一个数(从2开始),如,A.B.C,A和C差2。

  2. 每相隔一个数(从5开始),如,B.C.D,B和D差5。

 所以 p=8

    q=20。

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