Contact us
Choose a category below so we can get back to you as quickly as possible.
2x=xy+3 (2-y)x=3 x=3/(2-y) 當y=-1,0,1, 時x=1,1/2,3 所以有兩組(-1,1),(1,3)
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.