(1)x=-1,
(2)x=2,
(3)125x^3+1=0 ,125x^3=-1,x^3=-1/125,x=-1/5,
(4)x=11的立方根,
（5）x-1=-3,x=-2,
(6)x=5的立方根-1/3,
(7)1/3(2x+1)^3=1+1/8=9/8,1/(2x+1)^3=27/8,1/(2x+1)=3/2,2x+1=2/3,
2x=-1/3,x=-1/6,
(8)x=7的立方根+1/2,
(9)x/4=-7,x=-28,
(10)(x-10)^3=-8/27,x-10=-2/3,x=28/3,
(11)(3x+2)^3=61/64+1=125/64,3x+2=5/4,x=-1/4,
(12)x=根號3-1或x=1-根號3,
(13)x^2=4,x=2或x=-2,
（14）2（x-1）^2=18,（x-1）^2=9,x-1=3或x-1=-3,x=4或x=-2,
能解釋的敝人已作解釋,但有些是不太好解釋的.