Các câu hỏi tương tự
tim x, y thuoc z biet (x+7 ) (xy + 1)= 9
tim x, y thuoc z biet xy-x+2y=3
tim x,y thuoc Z biet xy=x-y
tim x,y thuoc Z biet
a,xy-3x+2y=17
b,xy+3x-4y=19
Tim x,y thuoc Z biet
a, xy - 2x - 3y = 5
b,5xy - 5x + y = 5
c,x + xy + y = 9
tìm xy thuoc z biet: (x+1).(xy-1)=3
tim x,y thuoc Z biet
\(xy+3x-2y+8=0\)
1. tim cac cap so nguyen duong (x, y) sao cho:
2 x3 + xy = 11
2. tim cac cap so nguyen duong (x, y, z)sao cho:
x + y + z = x*y*z
3. tim x thuoc z, biet;
|x| = -2003
|x| = |-2003|
minh dang can gap lam. chieu mai phai nop rui
tim x thuoc Z biet :
(x-1)^2 =(x-3)^4
HELP ME:0!!