Các câu hỏi tương tự
tim x, y thuoc z biet (x+7 ) (xy + 1)= 9
Tim so nguyen x,y biet:
a, xy = 12 va x + y =7
b, xy = -20 va x-y = -9
c, xy = 24 va x + y = -11
tim x,y biet
a, (x-3).y= 7
b, (x-1) . (xy-5)
Tim cac so nguyen x, y biet:
a) ( x - 1 ) . ( x + y ) = 33
b) xy - 3y + x = 7
Bai 1 : Tim cac so nguyen x , y biet :
a, x +xy + y = 9
b, xy - 2x -3y = 5
c, xy - 2x + 5y = 2
TIM X , Y BIET
a)X+XY+Y=9
b)XY-2X-3Y=5
tim STN x,y biet
x+xy=7
tim cap so nguyen x,y biet
x^2-xy-y+7=0
Tim x,y thuoc Z biet
a, xy - 2x - 3y = 5
b,5xy - 5x + y = 5
c,x + xy + y = 9