Contact us
Choose a category below so we can get back to you as quickly as possible.
圓方程:x²;+y²;-8x-2y+10=0 x²;-8x+16+y²;-2y+1=7 (x-4)²;+(y-1)²;=7 圓心在C(4,1) 圓內最長的弦自然就是直徑 即M(3,0)與C(4,1)的連線,即y=x-3
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.