Contact us
Choose a category below so we can get back to you as quickly as possible.
x+2分之1-6分之5x=5分之四 x-5x/6=4/5-1/2 x/6=3/10 x=9/5
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.