Tìm \(x;y\in N\)sao cho: \(\text{3x-y+xy=8}\)
Tìm x; y sao cho: \(\left(3x-1\right)^{2018}+\left(y+\frac{3}{5}\right)^{2020}=0\)
tìm x,y sao cho \(x^{20}+\left(x+1\right)^{11}=2016^y\)
Tìm các số tự nhiên x,y sao cho: \(x^{20}+\left(x+1\right)^{11}=2016^y\)
Tìm \(x,y\in Z\)sao cho
\(a,\left|x\right|+\left|y\right|=20\)
\(b,\left|x\right|+\left|y\right|< 20\)
Tìm x, y \(\in\)Z sao cho
\(a,\left|x\right|+\left|y\right|=20\)
\(b,\left|x\right|+\left|y\right|< 20\)
Tìm x,y
\(\text{│}y+2018\text{│}^{2019}+20=\frac{2020}{\left(3x-5\right)+101}\)
Tìm x,y thỏa mãn:
a)\(^{\left|x+2y\right|+\left|4y-3\right|\le0}\)
b)\(\left|x-y-5\right|+2017\left(y-11\right)^{2018}\le0\)
c)\(^{\left(x+y\right)^{2020}+2018.\left|y-1\right|=0}\)
Tìm \(x,y\in N\)thỏa mãn \(25-y^2=2020.\left(x-2019\right)^2\)
Tìm \(\hept{\begin{cases}x,y>2\\x,y\in N\end{cases}}\) sao cho: \(xy-1⋮\left(x-1\right)\left(y-1\right)\)