1
2
3
1. F 2. F 3. F 4. 12.5g 5. 14.2g 6. 30.6g 7. 8. 50cm 24cm 15cm 9. 10. 11. 12. 13. 14. 15. 16. 17. 4
5
1. 1 2 2. 3. 50cm 24cm 15cm 4. 5. ABCD 1 15 24 50 15 24 50 6
7
8
1. 1 2. 3. 4. 5. AB 2 34 9
7 1. 1 2. 3. 4. 5. 6. 2 10
2 29.6 45.9 58.4 66.8 45.9 58.4 66.8 11
45.9 58.4 66.8 9 AB 10 12
13
ABCD 3 5 3 50 24 15 4 50 24 15 14
5 50 24 15 15
3 4 5 50 AB 6 7 6 2 3 4 24.73 25.88 24.53 25.3 22.33 23.63 16
7 2 3 4 6 7 AB 8 9 17
8 24.73 25.88 24.53 25.3 22.33 23.63 9 18
8 9 58.4 6 9 10 11 10 2 3 4 40.82 19
11 20
10 11 4 5 3 11 50 29.6 4 58.4 21
50 24 50 22
24.04 24.82 4 15 24 55.59 54.57 5 6 7 23
8 9 58.4 29.6 45.9 66.8 24
29.6 45.9 66.8 58.4 10 11 25
50 26
27