(1/2+2015/2016+2016/2017+1)(2015/2016+2016/2017+7/22)-(1/2+2015/2016+2016/2017)(2015/2016+2016/2017+7/22+1)

Tính

(1/2 + 2015/2016 + 2016/2017 + 1)(2015/2016 + 2016/2017 + 7/22) - (1/2 + 2015/2016 + 2016/2017)(2015/2016 + 2016/2017 + 7/22 + 1)

Giúp mk với 

(1/2+2015/2016+2016/2017+1)(2015/2016+2016/2017+7/22)-(1/2+2015/2016+2016/2017)(2015/2016+2016/2017+7/22+1)

(1+2015/2016+2016/2017+1/2).(2015/2016+2016/2017+7/22)-(2015/2016+2016/2017+1/2).(2015/2016+2016/2017+7/22+1)

tính tổng trên

( trình bày cách tính

(1/2+2015/2016+216/2017+1)(2015/2016+2016/2017+7/22)-(1/2+2015+2016)(2015/2016+2016/2017+7/22+1)

So sánh:

a) A = 10²⁰¹⁶ - 2 / 10²⁰¹⁷ - 2 và B = 20²⁰¹⁵ + 1 / 10²⁰¹⁶ + 1

b) A = 2016²⁰¹⁷ - 3 / 2016²⁰¹⁸ - 3 và B = 2016²⁰¹⁶ + 3 / 2016²⁰¹⁷ + 3

c) A = 2017²⁰¹⁶ - 2015 / 2017²⁰¹⁷ - 2015 và B = 2017²⁰¹⁵ + 1 / 2017²⁰¹⁶ + 1

\(\left(\frac{1}{2}+\frac{2015}{2016}+\frac{2016}{2017}+1\right)\left(\frac{2105}{2016}+\frac{2016}{2017}+\frac{7}{22}\right)-\left(\frac{1}{2}+\frac{2015}{2016}+\frac{2016}{2017}\right)\left(\frac{2015}{2016}+\frac{2016}{2017}+\frac{7}{22}+1\right)\)

(1/2+2015/2016+2016/2017+1)(2015/2016+2016/2017+7/22)

A = 2015/2016 + 2016/2017 + 2017/2018 và B = (2015 + 2016 + 2017)/(2016 + 2017 + 2018)

so sánh 2016^2016 +1 / 2016^2015+1  và 2017^2017 +1 / 2017^2016 +1