so sanh 52015 +72015 va82015
So sanh 52015 + 62015 với 72015
so sanh\(\frac{-2015}{-2016}va\frac{-2016}{-2017}\)
So Sanh Hai Phan So Sau:
\(A=\frac{2014}{2015}-\frac{2015}{2016}+\frac{2016}{2017}-\frac{2017}{2018}\) VA \(B=-\frac{1}{2014.2015}-\frac{1}{2016.2017}\)
SO SANH 2 PHÂN SỐ SAU
(2015/2016)2016 VÀ (2016/2015)2015
so sanh
\(\frac{-2015}{2016}va\frac{-2016}{2017}\)
B1. Cho f(1)=1008,f(1)+f(2)+...+f(n)=n^2.f(n) f(n)la ham so duong
tinh f(2015)
B2 Cho cac so nguyen to q,p,r,s sao cho cac so sau deu la so nguyen to p^s+s^q,q^s+s^r,r^s+s^p
tim cac so p,q,r,s
B3 co a,b,c duong a mu 3+bmu3=c^3
so sanh a^2015+b^2015 va c^2015
\(\frac{2012+5}{2014+5}\) va \(\frac{2^{2013}+5}{2^{2015}+5}\)
so sanh: 2!/3!+2!/5!+...+2!/2015! với 2/3