Contact us
Choose a category below so we can get back to you as quickly as possible.
設其中一段長度為x,另一段長度為(20-x) 那麼總面積為S=(x/4)·(x/4)+(20-x)(20-x)/16 當x=10時有最小面積12.5平方釐米
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.