A.2:16 | B.1:800 | C.1:80000 | D.1:800000 |
A.1:20 | B.2:1 | C.20:1 |
A.1:1000 | B.1:10000 | C.1:1000000 |
A.1∶9000000 | B.1∶4500000 | C.2∶9000000 | D.2∶4500000 |
A.480 | B.4800 | C.6000 | D.7500 |
A.3 | B.2 | C.6 |
A.0.05cm | B.5cm | C.0.5mm | D.5mm |
A.1:3 | B.3:1 | C.1:300000 |
A.2千米 | B.20千米 | C.200米 |
A.1∶10 | B.4∶9 | C.2∶3 | D.无法确定 |