tim x, y, z
a) x/y=-6/9 va x-y=30
b)x/5=y/4, z/5=y/7 va 2*x+3*y-z=106
c)x/5=y/4=z/7 va x+2*y+z=40
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 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/3=y/4;y/5=z/7 va x+y+z=98
a)x/-2=y/7=z/3 va 2*x+3*y-4*z=25
b)z/x=-3/5 va 40*x+70*z=100
c)x/5=y/6=z/7 va x*y*z=-1680
d)2*x=3*y=4*z va x+y+z=169
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/ 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