甲数是乙数的1/3,乙数是丙数的1/3,甲数是丙数的( ) A.1/3 B.1/6 C.1/9 D.9倍

问题描述:

甲数是乙数的1/3,乙数是丙数的1/3,甲数是丙数的( ) A.1/3 B.1/6 C.1/9 D.9倍

C.1/9