Contact us
Choose a category below so we can get back to you as quickly as possible.
男生與女生的人數比是:(1+1/4):1=5:4 女生人數占全部人數的幾分之幾 1:(1+1+1/4)=4/9
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.