[填空题]
Calculate the moment of inertia ,myycbg qw4(a66 uy7q of a bicycle whebsh;s;o3rg10hb;d 5u4ddig vh6 o 7qpel 66.7 cm in diameter. The rim and tire hp5u odv7 ;b 6gg0h qid ;1sdohbr4s;h3ave a combined mass of 1.25 kg. The mass of the hub can be ignored (why?). $kg \cdot m^2$