Contact us
Choose a category below so we can get back to you as quickly as possible.
設:X個月後乙的存款是甲的2倍 (500+50X)*2=800+120X X=10 答:10個月後乙的存款是甲的2倍
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.