x y z - члены прогрессииx*z=y^2 (y+8)*2=z+xz+64(z+64)*x=(y+8)^2система(z+64)*x=(y+8)^2 zx+64x=64+16y+y^2x*z=y^2 64x=64+16y y=4x-4(y+8)*2=x+z 2y+16-x-z=0 8x-8+16-x-z=0 7x+8=z(7x+8)x=(4x-4)^27x^2+8x=16+16x^2-32x9x^2-40x+16=0x1=4/9 x2=4y1=-20/9=-2 2/9 y2=12z1=11 1/9 z2=36