tim snt x va y sao cho : x2 - 2x +1 = 6y2-2x + 2
tim hai so nguyen to x va y sao cho:x2_2x+1=6y2_2x+2
tim x va y thuoc z
a,3x - xy + 6y = 4
b,x^2 - 3xy + 2x - 6y = 7
tim x , y thuoc Z biet
a , 3x-xy+6y=4
b,x^2-3xy=2x-6y=7
Tim STN x, y sao cho x.2 - 6y.2 = 1
tim so nguyen to x y sao cho x^2-6y^2=1
tìm x,y biết x^2-2x+1=6y^2-2x+2
Tim x
|x+1|.(x-2)=2
5x+6y=48
|x|+3.|y|=4
Tìm 2 số nguyên tố x, y biết : (x-1)(x+1)- 2x=6y2- 2x