Các câu hỏi tương tự
Tim cac sox y z biet x-1/2=y-2/3=z-3/4 va x-2*y+3*z=14
Tim x+y+z = ? biet (x-1) /2= (y-2) /3 = (z-3) /4 va 2x+3y-z=95
Tim x,y,z biet:
x+1/ 3 = y+2/ 4 = z+3/ 5 va x+y+z= 18
tim x,y,z biet 4/x+1=2/y-2=3/z+2 va xyz=12
tim x, y, z biet:
2/3.x=3/4.y=4/5.z va x+y-z=57
tim x,y,z biet
x+1/2 = y-2/3 = z-3/4 va 2x + 3y - z = 50
tim x,y,z biet
x+1/2 = y-2/3 = z-3/4 va 2x + 3y - z = 50
Tim x,z,y biet
x/2=y/3;y/4=z/5 va x+y-z=10
tim x,y,z biet 4/x+1=3/z+2=2/y-2 va x.y=12