\(\left(x-3\right);\left(y+x\right)\in\left\{-1;1;-7;7\right\}\)
\(\Rightarrow\left(x;y\right)\in\left\{\left(2;-9\right);\left(4;3\right);\left(-4;3\right);\left(10;-9\right)\right\}\left(x,y\in Z\right)\)
\(\left(x-3\right);\left(y+x\right)\in\left\{-1;1;-7;7\right\}\)
\(\Rightarrow\left(x;y\right)\in\left\{\left(2;-9\right);\left(4;3\right);\left(-4;3\right);\left(10;-9\right)\right\}\left(x,y\in Z\right)\)
Tìm \(x,g,z\)thuộc N sao cho
\(\left(x+y\right)\cdot\left(z+x\right)\cdot\left(z+x\right)+2=2019\)
Tìm x , y \(\in Z\)biết :
a) \(\left(x+1\right)\cdot\left(y-2\right)=0\)
b) \(\left(x+4\right)\cdot\left(y-2\right)=2\)
c) \(x\cdot y+5\cdot x+y=4\)
d) \(3\cdot x+4\cdot y-x\cdot y=15\)
tìm \(x,y\in Z\), biết : \(\left(x-3\right)\cdot\left(y-2\right)=-5\)
tìm x,y,z thuộc Q biết
\(\left|x+\frac{3}{4}\right|+\left|y-\frac{1}{5}\right|+\left|x+y+z\right|=0\)
Tìm \(x,y\) thuộc N*
a) \(\left(x-1\right)\cdot\left(y-5\right)=7\)
b)\(x\cdot\left(y-6\right)-3y+18=5\)
c) \(x\cdot\left(y-4\right)-5y+18=3\)
tìm x,y thuộc Z biết: Giups mình với mình đang cần gấp
\(^{\left(x-3\right)^4=\left(x-3\right)^2}\)
Tìm x,y thuộc Z biết:
a, \(\left(x+1\right)^2+\left(y+5\right)^2=16\)
b, \(\left(x+4\right)^2+\left(y-2\right)^4=5\)
c, \(|x-3|+\left(y-7\right)^2=3\)
d, \(\left(x-7\right)^4+\left(y-2\right)^2=20\)
Giải nhanh dùm mình nhé!!
Tìm các so0os nguyên x,y biết:
\(\left(x^2+1\right)\cdot\left(x+1\right)=3^y\)
1.Tìm x,y thuộc z:
a,\(\left|2-x\right|+2=x\)
b,\(x+7=\left|x-9\right|\)
2.Tìm x,y thuộc z:
a,\(\left|x+10\right|+\left|5-y\right|=0\)
b,\(\left|x-40\right|+\left|x-y+10\right|=0\)
c,\(\left|x+y-30\right|+\left|x-y-4\right|=0\)
d,\(\left|x+y-15\right|+\left|xy-56\right|=0\)
GIÚP MIK VS Ạ, MIK ĐANG CẦN GẤP