7.1
- 1. 塀 犖 F 1 F犖 F 7 40201 犖 犖 F 7 ( 犖F ) 犖 4 15 F犖 F 7 犖 犖 犖 犖 F 1. F F 1) 犖 犖 F 犖 2) 犖 犖 犖 3) 犖 犖 犖 F犖 犖 F 犖 F 犖F 犖. F 1 2 . F 1 3 . F 2 3 . F 1,2 3 F F F 2 3 F 犖 F 犖 60 F 5 2. F 犖 F( )2 F 犖 F 犖. 8 . 12 . 8 . 12 3. F F 犖 犖. 150 . 250 . 300 . 400 4. F 200 F 塀 犖 F F 犖 800 F 犖 F 塀 犖. 2 . 4 . 6 . 8 5. 犖 2 F F 犖犖 F F 3000 1 犖 F ( = 3.14 ) 犖. 3.14x102 . 6.28x102 . 1.24x103 . 1.24x104 6. 犖 F 50 F F F 犖 F F F犖 0.8 F 犖犖 F 25 犖. 80 . 60 . 40 . 20 7. F 700 25 F F F F犖 0.35 F F 犖 F 犖. 125 . 100 . 80 . 70
- 2. 8. 犖 F F F F F犖 15 F F F 犖 F F F F犖 18 F 犖 F F F F 60 犖 F 犖 F FF F F F F 犖. 48 km/hr . 50 km/hr . 54 km/hr . 72 km/hr 9. 犖 F F 31.4 F 1 F F犖 犖. 13 . 10 . 8 . 5 10. 犖 F 9 F F 犖 F F8 F F 犖 犖. 60 . 72 . 96 . 120
- 3. 塀 犖 F 1 犖 7 犖F ( 40201 ) 犖 幣 4 犖 犖 F 7 犖F F 1 2 3 犖 4 5 犖 6 7 8 9 10