xy+x-2y=5<=>x(y+1)-2y-2=3<=>x(y+1)-2(y+1)=3<=>(x-2)(y+1)=3
-> pt ước
Đúng 0
Bình luận (0)
xy+x-2y=5<=>x(y+1)-2y-2=3<=>x(y+1)-2(y+1)=3<=>(x-2)(y+1)=3
-> pt ước
tim nghiem nguyen cua pt
\(x^2+xy+y^2=x^2y^2\)
tim gia tri nguyen cua m de hpt
\(3x-y=2m-1 va x+2y=3m-2\)
co nghiem (x;y) tm x^2 + 2y^2 = 9
tim nghiem nguyen duong: \(3^x=y^2+2y\)
tim nghiem nguyen duong cua phuong trinh xy^2+2xy+x = 32y
tim tat ca cac nghiem nguyen (x, y) cua phuong trinh x*3+y*3=(x+y)²
help me!
tim nghiem nguyen cua phuong trinh x^3 +(x+1)^3+(x+2)^3=(x+3)^3
Tim nghiem nguyen duong cua pt:\(\frac{xy}{z}+\frac{yz}{x}+\frac{zx}{y}=3\)
tim so nghiem nguyen cua bat phuong trinh \(\sqrt{5-2x}\le4\)
tim nghiem nguyen duong cua pt 2^m!+6^n=10^n