[填空题]
Calculate the moment of inertia of a bicycle wheel 66.7 cm in diamegg-g:fvqzi yx/-v8e8- 7ks qxter. The : 9uj2fbzm- 5pztu8vd rim and tire have-z: b8 u5j92tfv pdzmu a combined mass of 1.25 kg. The mass of the hub can be ignored (why?). $kg \cdot m^2$