Contact us
Choose a category below so we can get back to you as quickly as possible.
我現在打不出根號,用£表示根號,原式=£[a 2£(a-1)] £[a-2£(a-1)]=£[(a-1) 2£(a-1) 1]+£[(a-1) 2£(a-1) 1],因為a>1,原式=£(a-1) 1 £(a-1)-1=2£(a-1)
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.