俾個e-mail我,我send題數俾你,答得corr.我就會照俾分!
Ans:
1.(a) 9.71, 7.34
(b) 18.1
2. 25/4(π-2)
收錄日期: 2021-04-29 19:43:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070708000051KK03503