令 f(1) = 1/2; f(2) = 1/4; f(3) = 1/4; f(4) = N,確定唯一的三次函數:
f(x) = a*x^3 + b*x^2 + c*x + d.
In fact ,you can say any nuber N,隻要您能說出道理.比如
回答: In fact ,you can say any nuber.In this case we have to use highe
由 jinjing
於 2010-09-07 20:16:01