[填空题]
Calculate the moment o fvp azqg zy/(ml.x18;v3ui4.l-rpri f inertia o.dr/chvv .t/+ xecmer2px9/ uf a bicycle wheel 66.7 cm in diameter. The rim and tire have a combined mass of 1.2c9c/xtx/ .pehrv r/.m+e2 udv5 kg. The mass of the hub can be ignored (why?). $kg \cdot m^2$