Contact us
Choose a category below so we can get back to you as quickly as possible.
第一問:女生人數比上男生人數為24/30=4/5 第二問:男生人數比上全班人數為30/(30 24)=5/9.題目不難,分清問題要你求的到底是誰占誰的幾分之幾就好了
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.