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101瑞芳高工

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我自己寫的,不知道有沒有錯,大家對一下吧
1. 11
2. \( \displaystyle -\frac{4}{5} \)
3. \( \displaystyle \frac{2 \sqrt{5}-1}{19} \)
4. \( \displaystyle \frac{671}{1296} \)
5. \( \displaystyle \frac{1}{2} \)
6. \( \displaystyle y=\frac{7}{18}x+\frac{86}{9} \)
7. \( \displaystyle \frac{32}{5} \)
8. 3
9. \( 54 \pi \)
10. 20
11. \( \displaystyle \frac{7}{9}\pi \)
12. 13
13. \( (a+b+c)(a-b)(b-c)(c-a) \)
14. \( \displaystyle \frac{5}{27} \)
15. \( \displaystyle \frac{16}{3} \)
16. \( \displaystyle \frac{6 \sqrt{14}}{7} \)
17. \( \left[ \matrix{0 & \sqrt{3} \cr -\sqrt{3} & 0} \right] \)
18. \( 12000 \pi \)
19. \( 7,8,9,10 \)
20. \( -15 \)
計1. \( \displaystyle \frac{4}{9}\pi \times 10^5 \)

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