Contact us
Choose a category below so we can get back to you as quickly as possible.
解方程 9x-4×1.2=0.6 9X-4.8=0.6 9X=0.6+4.8 9X=5.4 X=5.4除以9 X=0.6
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.