math.

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1. 4.86/0.2
24.3

2. 2.52/0.7
3.6

3. 14.4/1.2
12

4. 17.1/3.8
4.5

5. 3.96/1.32
3

8. 1.296/0.16
8.1

10. 8.253/0.5
16.506

12. 1.50048/0.32
4.689

14. 4.4208/1.8
2.456

16. 160.3639/25.1
6.389

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