[填空题]
Calculate the moment of ineredexj 8zk,p. oj8gfq2 :qy32itia of a bicycle whez-u1 h3j b)8e pxxvjn(el 66.7 cm in diameter. The rim and tire have a combined mass of 1.25 kg. The mass of v)ej1b n38ujx- h(zpxthe hub can be ignored (why?). $kg \cdot m^2$