Contact us
Choose a category below so we can get back to you as quickly as possible.
先找規律,得出通項公式,然後將裡面的n換成2002就行了 0,3,8,15,24,. 每個數加上1,得 1,4,9,16,25,…… 剛好是n^2 所以原數列通項公式是an=n^2-1 所以第2002個數是:2002^2-1=400800
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.