Contact us
Choose a category below so we can get back to you as quickly as possible.
設需要x塊磚,由題意得,4×4x=2×2×500 16x=2000 x=125答:需要這樣的方磚125塊.
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.