Các câu hỏi tương tự
tim cac so nguyen x , y biet
e) (x - 3) (x + y)=-11
f)xy + 3x - 2y - 6 = 5
tìm x, y biet /x+2y+6/+/3x-y+5/=0
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 cac so nguyen x,y biet
\(\frac{x}{6}=\frac{y}{11}\)va 3x - 2y =-20
tim x,y thuoc Z biet
\(xy+3x-2y+8=0\)
tim x,y biet /x-3/^2014+/6+2y/^2015<=0
tim x,y biet |x-3|^2014+|6+2y|^2015 be hon hoac bang 0
a) tim so nguyen x sao cho : 4x+5 chia het cho 2x-1
b) tim so nguyen x va y biet : xy+3x-2y -11 = 0
giup mik nha ! ai nhanh nhat mik tick cho !
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.