Contact us
Choose a category below so we can get back to you as quickly as possible.
b分之a—a分之b—ab分之a的平方+b的平方 =a²;/ab-b²;/ab-(a²;+b²;)/ab =(a²;-b²;-a²;-b²;)/ab =-2b²;/ab =-2b/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.