时钟3点钟敲3下需4秒钟，那么11点钟敲11下需几秒钟？/[:O*`-y-I
算式：提示)K*O5?,y*R5l-]*_*J0H3S)]/[:O*`-y-I
答：11点钟敲11下需7e.^4K7w*j1@(e秒。/[:O*`-y-I