A. B.1∶100000 C.l/5000000 D.十萬分之一
A.1:3000000 B.圖上1厘米代表實(shí)地距離400千米 C.1:6000000 D.1:9000000
A.1:100 B.1:100000 C.1:5000 D.1:500000