[填空题]
Calculate the moment of inertia of a bicycle wheel 66.7 cm in dizjw+ 4*meskiz d 6h/q8ameter. The rig0rxmla7 t .0hiv7q:en3dbw sb ;,oc- m and tire have a comb0 b;ow v -eti0s37,hrnqm:la cgx b.7dined mass of 1.25 kg. The mass of the hub can be ignored (why?). $kg \cdot m^2$