so sánh A và B A=2016/2017-2017/2018+2018/2019-2019/2020 B=-1/2016-2017 - 1/2018-2019
Tính:
A=2019/2018 - 2018/2017 + 2017/2016 - 2016/2015
B=1/2019 - 1/2018 + 1/2017 - 1/2016
C=1/2017 - 1/2016 + 1/2015 - 1/2014
so sánh 2016^2017+1/2016^2018+1 với 2016^2015+1/2016^2016+1
So sánh A=2018^2-2017^2 và B=2017^2-2016^2
So sánh C=2018^2+2016^2 và D=2.2017^2
Ko dùng máy tính hãy so sánh 2016/2017+2017/2018+2018/2019+2019/2016 với 4
So sánh
\(A=\frac{2018^n-2017^n}{2018^n+2017^n}\)+\(\frac{2017^n-2016^n}{2017^n+2016^n}\)
so sánh
a) \(\frac{2016}{2017}\)và\(\frac{2017}{2018}\)
b)\(\frac{2017}{2016}\)và\(\frac{2018}{2017}\)
Tính :A= [(2018/1)+(2017/2)+(2016/3)+(2015/4)+...+(4/2015)+(3/2016)+(2/2017)+(1/2018)]/[(2019/1)+(2019/2)+(2019/3)+(2019/4)+...+(2019/2015)+(2019/2016)+(2019/2017)+(2019/2018)+(2019/2019)]
Tính :A= [(2018/1)+(2017/2)+(2016/3)+(2015/4)+...+(4/2015)+(3/2016)+(2/2017)+(1/2018)]/[(2019/2)+(2019/3)+(2019/4)+(2019/5)+...+(2019/2015)+(2019/2016)+(2019/2017)+(2019/2018)+(2019/2019)]