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tim so nguyen x y sao cho x-2xy+y=0
Tim cac so nguyen x,y sao cho x - 2xy + y = 0
Tim so nguyen x,y sao cho; x-2xy+y=o
Tim cac so nguyen x,y sao cho x-y+2xy =3
tim x,y biet 5x^2 -2xy+ 2y^2=18 ; x,y la so nguyen
Tim so nguyen x va y biet : x2 - 2xy +y2 = 0
Tim cac cap so nguyen (x,y) thoa man:x-y+2xy=3
1.Tim cac cap so nguyen x,y sao cho x+y=2xy
2.Tim GTNN A = x2+3(x-1)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
