Các câu hỏi tương tự
tim x,y,z thuoc Z biet /2x-4/+/y+2/+/2x+3y-z/=0
Tim x, y thuoc Z biet : | x-2| + (x-y+1)^2 =0
tim cac so nguyen x,y,z biet y^2=y-1; x^2=x-1; z^2=z-1
Tim cac so nguyên x,y,z biet
x+y=2,y+z=3,x+z=-5
tim x,y thuoc z biet
-24/-6 = x/3 = 4/y^2 = z^3/-2
Tim x, y va z, biet :
a) x/2 = y/3 = z/4 va x + y + z =18.
b) x/5 = y/-6 = z/7 va x + y - z =32.
c) x/5 = y/3 = z/2 va 2x + 3y + 4z =54.
d) x/2 = y/3 = z/6 va 3x - 2y + 2z = 24.
Ai biet thi chi giup minh nha. Cang nhanh cang tot ! Minh xin cam on.
tim x,y thuoc z biet (x-2).(y+12)<0
tim x y nguyen biet
x mu2 +y mu 2-z mu 2+z+1=2(x+y-xy)
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