Contact us
Choose a category below so we can get back to you as quickly as possible.
5分之3,8分之4,11分之5,14分之6,17分之7的通項公式為:an=(n+2)/(3n+2), 2分之1,4分之3,6分之5,8分之7的通項公式為:an=1-1/2n,n的取值範圍為正整數.
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.