Tim x,y,z biet:
x+1/ 3 = y+2/ 4 = z+3/ 5 va x+y+z= 18
Tim x,z,y biet
x/2=y/3;y/4=z/5 va x+y-z=10
tim x;y;z biet x/3=y/4;y/5=z/7 va x+y+z=98
TIM X , Y , Z BIET
a x/3 = y/4 = z/5 va x + y + z = 36
b x/3 = y/4 = z/7 va 2x + y - z = - 24
Tim x,y,z biet (x-1)/2= (y+3)/4 =(z-5)/6 va 5z-3x-4y
tim x,y,z biet
a/ x:y:z = 5:3:4 va x+2y-z =-121
b/ 5x = 2y ; 3y = 5z va x+y+z = -970
c/ x/3 = y/12 = z/5 va x.y.z = 22,5
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 biet :
a) x-1/2=y-2/3=z-3/4 va 2/x+3/y-z