tìm x
|x+2016|+|x+2017|+2018=3x
Tìm x biết
|x+2016|+|x+2017|+2018=3x
\(|x+2016|+|x+2017|\)+2018=3x
(-3x-15)2017(-20172016^2018^2019-20192018^-
2017^2016)=0
cho \(x,y\ne0\)thỏa mãn\(x^{2015}+x^{2015}=x^{2016}+x^{2016}=x^{2017}+x^{2017}\)
tính \(S=2018.\left(x^{2018}+y^{2018}\right)\)
so sánh x với 3.Trong đó x=2016/2017+2017/2018+2018/2016
AI NHANH MK TICK CHO NHA LÀM ƠN MK CẦN GAAPS
Tìm x biết:
\(\frac{x+2014}{2015}+\frac{x+2015}{2016}=\frac{x+2016}{2017}+\frac{x+2017}{2018}\)
1. Cho A=\(1-\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+...+\frac{1}{2017}-\frac{1}{2018}\)và B=\(\frac{1}{1010}+\frac{1}{1011}+...+\frac{1}{2017}+\frac{1}{2018}\)Tính \(\left(\frac{A}{B}\right)^{2018}\)
2. Tìm x biết
a)\(\frac{1}{1.3}+\frac{1}{3.5}+...+\frac{1}{x.\left(x+2\right)}=\frac{20}{41}\)
b)\(|x+2016|+|x+2017|+2018=3x\)
\(\frac{x-2016}{2015}\)+\(\frac{x-2017}{2016}\)-\(\frac{2018-x}{2017}\)=-3
