Contact us
Choose a category below so we can get back to you as quickly as possible.
概率C上標是0下標是4得 1 . C(4,0)=C(4,4)=4*3*2*1/(1*2*3*4)=1 概率C上標是0下標是4 與 概率C上標是4下標是4 相等,都等於 1
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.