本區搜索:
Yahoo!字典
打印

有冇數學達人!求教DSE

有冇數學達人!求教DSE

我買左本 Maths mock paper操, 有冇人識尼題??
   

TOP

[隱藏]
引用:
原帖由 風之男 於 2021-1-29 07:56 PM 發表
This is one way to do it: https://imgur.com/a/EvgSx30

There might be other ways, I'll try to look for them.

Interesting tidbit: Length of CM (half of what we're required to calculate), (1+sqrt5) ...
Thank you for sharing

TOP

引用:
原帖由 見習天使 於 2021-2-1 12:24 PM 發表
好熟面口,樓主尼本係咪朗文個本?我都唔係好識>
有解題影片啊!有冇興趣一齊課金買黎睇??

TOP

引用:
原帖由 風之男 於 2021-2-3 04:22 AM 發表
So there's another way, although it's kind of cheating.

You can redraw the figure (or even, use the figure given, because it can't not be in scale in this particular question), and you'd find out A ...
hahaaaa i got you, thank you!  maybe it's cheating, but it's fast, good enough for MC questions

TOP

重要聲明:小卒資訊論壇 是一個公開的學術交流及分享平台。 論壇內所有檔案及內容 都只可作學術交流之用,絕不能用商業用途。 所有會員均須對自己所發表的言論而引起的法律責任負責(包括上傳檔案或連結), 本壇並不擔保該等資料之準確性及可靠性,且概不會就因有關資料之任何不確或遺漏而引致之任何損失或 損害承擔任何責任(不論是否與侵權行為、訂立契約或其他方面有關 ) 。