tim x,y thuoc N biet : 2x+624=5y
Tim x,y biết
2x+624=5y
(2x-1)(3y-2)=27 tim x y biet x y thuoc n
Tim x,y thuoc N biet
(2x-1).(y+2)=15
tim x, y thuoc N biet
3x2 + 5y2=380
giup minh voi
tim x,y thuoc N biet
(2x+1)*(y+20)=10
TIM X,Y BIET 2X+3Y=4O X,Y THUOC N
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
tim x, y thuoc Z
2x+624=5y