Tim cac so nguyen x, y, z thoa man x/y +y/z+z/x =y/x+/y+x/z=x+y+z=3
Tim cac so nguyên x,y,z biet
x+y=2,y+z=3,x+z=-5
tim x,y,z,biet:y+z+1/x=x+z+2/y=x+y-3/z=1/x+y+z
p/s:minh k biet vjet dau fan so nen viet vay
cac ban gjaj gjup mjnh vs
tim cac so nguyen x,y,z biet y^2=y-1; x^2=x-1; z^2=z-1
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 so tu nhien biet tong cac chu so cua x=y,tong cac chu so cua y=z va x+y+z=60
Tim so tu nhien x, biet rang tong cac chu so chua x bang y, tong cac chu so cua y bang z va x+y+z =60
tim cac so nguyen duong x,y,z thoa man x^2+y^3+z^4
tim x,y,z la cac so nguyen
a) x-y=0,y+2z=1
b) x+y+z=7