Contact us
Choose a category below so we can get back to you as quickly as possible.
因為log3 x是增函數,3-x是减函數 所以log3 x=3-x最多只有一個解 f(x)=log3 x-3+x f(1)=0-3+10 所以根在(1,3)區間內 要更小的區間,就要借助小算盘了 反正若a
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.