Originally posted by 2076 at 2005-5-19 02:19 PM: 我淨係知個圓pass through C1個圓心, 跟住...唔識 條3D個ratio我知係2/3, 但唔知點prove 講講下c機會最大
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Originally posted by MatthewChor at 2005-5-19 02:21 PM: 我唔知 用centre x k = -1計...計到k架 但mini個ans d人話岩...=我錯左 3D用similar triangle
Originally posted by 2076 at 2005-5-19 02:27 PM: 3D錯左 我計到k=-1/2, 錯埋
Originally posted by 2076 at 2005-5-19 02:35 PM: 我, 我左, 右, 右前, 前面全部冇揀vector
Originally posted by MatthewChor at 2005-5-19 02:41 PM: vector考triangle concept....唔易做ga~
Originally posted by 2076 at 2005-5-19 02:46 PM: 我一直懷疑有congruent triangle但唔肯定 得上面4分寧願做其他最少5分 不過計area唔准in, 唔識
Originally posted by MatthewChor at 2005-5-19 02:50 PM: 上面curve area = 下面curve area~ 我都呆一呆
Originally posted by 2076 at 2005-5-19 02:53 PM: 即係...長方形面積x 1/2? 條general solution好新穎, 未見過
Originally posted by 2076 at 2005-5-19 14:53: 即係...長方形面積x 1/2? 條general solution好新穎, 未見過
Originally posted by TAMTOM at 2005-5-19 05:19 PM: 今年食左屎... MI.. K(2^(K+1)) 我唔知點解計極都ON Q 咁寫2^(K+2)..
Originally posted by TAMTOM at 2005-5-19 05:20 PM: 條general solution 真係嚇一嚇 ,不過就只係嚇一嚇咁簡單
Originally posted by 月天~wan仔~ at 2005-5-19 06:36 PM: 一開始見到section A好似好難咁,攪到我飛左幾題,個時真係嚇死..驚連個C都拎唔到 好彩後尾做得番姐..
Originally posted by choy991044 at 2005-5-19 07:22 PM: 臭蝦你都識amaths ??!
Originally posted by 2076 at 2005-5-19 06:48 PM: my ans: 180n+30 唔知岩唔岩
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發表於 2005-5-19 14:21:40
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