tim cac so nguyen x,y,z biet :-6/12=x/8=-7/y=z/-18
tim cac so nguyen x,y,z biet y^2=y-1; x^2=x-1; z^2=z-1
bai 1 tim cac so nguyen x,y biet
a,x/3=7/y b,x/y=-3/11 c,x/y-1=5/-19
bai 2 tim cac so nguyen x,y,z,t biet
12/-6=x/5=-y/3=z/-17=-t/-9
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 nguyen x,y,z biet: -4/8=x/-10=-7/y=z/-24
tim cac so nguyen x,y,z.
-4/8=x/-10=-7/y=z/-24
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 so nguyen x , y, z , t biet : 38 * ( x * y * z * t + x * y + x * t + z * t + 1 ) = 49 * ( y * z * t + y +t )
tim cac so nguyen x,y biet rang :
a) x/3 = 5/y
b) x/y = 28/35