题目内容
(2)(-5)3=-125 ∴___________是___________的立方根.
(3)( )3=-27,∴-27的立方根是___________.
(4)( )3=4,∴4的立方根是___________.
计算:|-8|=________;-8的立方根是________.
若=2,则(2a-5)2-1的立方根是( )
A.4 B.2 C.±4 D.±2