Các câu hỏi tương tự
Tim x biet :
a) x-1/2=y-2/3=z-3/4 va 2/x+3/y-z
tim x y z biet x-1/2=y-2/3=z-3/4 biet x-2y+3z=14
tim x , y tu nhien biet (x^2+1)(2^x+2)(2^x+3)(2^x+4) +15^y=1679
Tim x,y,z biet:
x+1/ 3 = y+2/ 4 = z+3/ 5 va x+y+z= 18
biet t/x = 4/3; y/z = 3/2; z/x = 1/6. Tim t/y
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 4/x+1=2/y-2=3/z+2 va xyz=12
Tim x+y+z = ? biet (x-1) /2= (y-2) /3 = (z-3) /4 va 2x+3y-z=95
Tim x,y,z biet:2(x-1)-3(2x+2)-4(2x+3)=16