[填空题]
Calculate the moment of inertia of a bicycle whco)65yici ku rex1(9mb0a( hyeel 66.7 cm in diameter. T5bv9bckpwce c4*- f5azd o-6phe rim and tire have a combined mass of 1.25 kg. The mass of the huwep c 65zokc9 5b*b p4cvd-f-ab can be ignored (why?). $kg \cdot m^2$