Các câu hỏi tương tự
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
tim(x;y) biet -|2x+4| -|y+5| lon hon bang 0 .Tim cap (x;y)
tim x,y thuoc Z biet
|y|.|2x+3|=8
|2x+4|+|y-3|=0
|x-1|+|2y+7|=3
|x+5|+|2y+6| nho hon hoac bang 0
tim x, y thuoc Z biet
(2x-1)*(y+4)=11
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,y,z thuoc z biet /x/+/y/+/z/=0
(x-2)(y+3)=15
(2x-1)(y-4)=-13
(3x+2)(1-y)=-7
5xy-5x+y=5
tim cap so x,y thuoc Z
Tim x, y thuoc Z biet : | x-2| + (x-y+1)^2 =0
tim x,y thuoc z biet (x-2).(y+12)<0