Contact us
Choose a category below so we can get back to you as quickly as possible.
由均值不等式,得 a+b>=2根號ab b+c>=2根號bc a+c>=2根號ac (a+b)*(b+c)*(a+c)>= 2根號ab*2根號bc*2根號ac= 8根號abbcac=8abc 即(a+b)*(b+c)*(a+c)大於等於8abc
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.