[填空题]
Calculate the moment of inertia of a csq5zh .eafe793kj/ hbicycle whedcecfx/ bkn9j8c e 3z,rc+ 1 .:4zpeovel 66.7 cm in diameter. The rim and tire have a combined mass of 1.251/ez,.4b cccv pd z:cf j3xoen8kr+e9 kg. The mass of the hub can be ignored (why?). $kg \cdot m^2$