Contact us
Choose a category below so we can get back to you as quickly as possible.
本題目的考點是二項式定理.有楊輝三角(或者叫“賈憲三角”,在西方叫“巴斯卡三角”)保證:(1+x)^0=1;(1+x)^1=1+x;(1+x)²;=1+2x+x²;;(1+x)³;=1+3x+3x 178;+x³;;(1+x)^4=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.