Contact us
Choose a category below so we can get back to you as quickly as possible.
設六一班有x人,六二班有x+8人,x+8-x=13/2(x+8)解得x=44所以六一班有44人,六二班有52人
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.