Các câu hỏi tương tự
tim cap so nguyen x,y
x+y+xy=2
b, tim gtln cua bieu thuc
q=\(\frac{27-2x}{12-x}\)(x nguyen)
tim cap so nguyen X,Y biet 8x(2009-x)^2=25-y^2
Tim x,y la so nguyen
a) 2x-3y+5= xy
b) x mu 2 +2xy+2x+4y
B2 Tim x,y la so nguyen to
x mu 2 -2y mu 2 =1
B3 Tim so tu nhienx,y
7 .(x-2004) mu 2 = 23- y mu 2
tim cac cap so nguyen x,y
a)x2+4y2=1
b)x2+2x-12=y2
c)x2+x+13=y2
e)y(x-1)=x2+2
Tim cac cap so nguyen (x;y) sao cho 2x - 5y + 5xy =14
Tim cac cap so nguyen (x;y) sao cho 2x - 5y + 5xy =14
1.Tim cac cap so nguyen x,y sao cho x+y=2xy
2.Tim GTNN A = x2+3(x-1)2
tim cap so nguyen (x;y) thoa man : |x+2| + (y+2)2 = 3 - |x+1|
tim cac cap so x,y biet:
\(\frac{x}{2}=\frac{y}{5}\)va x.y =90
\(\frac{3x-y}{x+y}=\frac{3}{4}\)tim\(\frac{x}{y}\)