Contact us
Choose a category below so we can get back to you as quickly as possible.
(1)+(2)得 7x=7 ∴x=1 把x=1代入(1)得 5-3y=4 ∴y=1/3 ∴方程組的解為 x=1 y=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.