- A.8千米
- B.12千米
- C.9千米
- D.14千米
- A.5:6
- B.1:1
- C.6:5
- D.4:3
- A.10.9亿
- B.20亿
- C.24.2亿
- D.30.8亿
- A.12%
- B.12.5%
- C.13%
- D.10%
- A.52%
- B.48%
- C.42%
- D.32%
- A.60
- B.80
- C.100
- D.120
- A.220
- B.250
- C.300
- D.200
- A.2:5:4
- B.3:5:4
- C.4:2:5
- D.3:4:5
- A.4
- B.20
- C.8
- D.40
- A.7.5%
- B.8.5%
- C.9%
- D.9.5%