Contact us
Choose a category below so we can get back to you as quickly as possible.
設長方體的寬為a厘米,則12a+8a=200 20a=200 a=10所以長方體的表面積為:(10×12+10×8+8×12)×2=(120+80+96)×2=296×2=592(平方厘米)答:長...
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.