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darigold 2015-9-10 10:34 AM

## 數學題分享

[url=http://andrew-exercise.blogspot.com/2015/09/indefinite-integral-using-hyperbolic.html]Indefinite integral using hyperbolic function[/url]

Im a maths idoit! :fst_004:

iamnotaboy 2015-9-19 02:02 AM

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darigold 2015-9-19 11:34 AM

[quote]原帖由 [i]填不盡[/i] 於 2015-9-19 10:16 AM 發表 [url=http://www.discuss.com.hk/redirect.php?goto=findpost&pid=426068295&ptid=25080987][img]http://www.discuss.com.hk/images/common/back.gif[/img][/url]

darigold 2015-9-21 12:22 AM

[url=http://andrew-exercise.blogspot.com/2015/09/a-trigonometry-problem.html]A Trigonometry problem[/url]

## 回覆 6# 的帖子

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darigold 2015-9-30 10:26 AM

[url=http://andrew-exercise.blogspot.com/2015/09/some-trigonometry-formula-i.html]Some trigonometry formula (I)[/url]

[[i] 本帖最後由 darigold 於 2015-10-2 09:28 PM 編輯 [/i]]

darigold 2015-10-2 09:52 PM

[url=http://andrew-exercise.blogspot.com/2015/10/some-trigonometry-formula-ii.html]Some trigonometry formula (II)[/url]

darigold 2015-10-6 01:49 AM

[url=http://andrew-exercise.blogspot.com/2015/10/some-trigonometry-formula-iii.html]Some trigonometry formula (III)[/url]

[[i] 本帖最後由 darigold 於 2015-10-6 01:51 AM 編輯 [/i]]

darigold 2015-10-11 09:20 AM

Some trigonometry formula (IV)