[填空题]
Calculate the moment of 4*j -,k 3samn/bqwbzq:kk- u s:qu-ctcbwi(/a-1 m *ocv js)w inertia of a bicycle wheel 66.7 cm in diameter. The rim and tire have a combined mass of 1.25 kg. The mas:awb tvo wji( qc-ccsm-) 1u/*s of the hub can be ignored (why?). $kg \cdot m^2$
