Contact us
Choose a category below so we can get back to you as quickly as possible.
原方程變形為:200(2-3y)-4.5=3−300y3-9.5,∴400-600y-4.5=1-100y-9.5500y=404∴y=101125.
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.