我要龍博士圓盤第二階段的尺寸 - 拼圖
![Hardy avatar](/img/bee.jpg)
By Hardy
at 2010-12-21T22:41
at 2010-12-21T22:41
Table of Contents
好的, 那麼就用我上篇的結論來重算面積吧:
以下順便將比較沒問題的 8 號和 14 號一起列入計算
2 號和 5 號則用切的
也就是利用 2 號的「2.5單位弧」和 5 號「1.5單位弧」合起來正好是 4 單位弧這事實
(有一個 2-5-1-7 的大葉子拼法 那個葉子的兩弧就是 4 單位弧)
然後切在讓 5 號的「1.5單位弧」等於其他片的「1.5單位弧」的地方這樣來算
11~13 的三塊等有確切一點的資料再來算吧
(另外那個 1.25 經過計算約是 1.21387
但對應的弧長 0.624937 貌似找不到漂亮的表示法...
這看來加強了 2-5 假說的強度啊)
※ 引述《puzzlez (帕索)》之銘言:
: 單位長度:圓周的 1/12
: 編號1: 1 2 ( 2
0.238201
: 編號2: 1.5 ( 1.25 ( 2.5
0.338931
: 編號3: 1 1.5 ( 2
0.22769
: 編號4: 1 ( 1.5 ( 2
0.295909
: 編號5: ( 1.5 ( 2 1.25
0.33173
: 編號6: 2 2 ( 3
0.604226
: 編號7: ( 1 ( 2 ( 1.5
0.319508
: 編號8: 2 ( 2 ( 3
0.785398
: 編號9: ( 1 ( 2 1.5
0.251289
: 編號10: 3 ( 3 ( 1.5
0.534109
: 編號14: 2 2 ( 2
0.342427
順帶一提, 第二階段的難度我記得的有:
* 1~8 號
* 有 14 號 (唯一用 14 號的難度, 從上面湊一湊應該是 1,2,5,7,8,9,10,14)
* 有 11~13 號 (也是唯一 11~13 出場的難度, 那題 10-3 也在這裡
拿紙切的拼片拼一拼後應該是 2,3,5,6,7,10,11,12,13
帕索你問的 11~13 是不是能拼成 8 號應該是從這裡來的
因為 2,3,5,6,7,8,10 也可以拼起來...
不過如果能拼出 8 號我那題 10-3 就解開了
所以應該是不能拼但面積總和相等...)
然後我想起來 12 號好像是 (1 1 「1.5」 的樣子
(因為有一個特徵是它和 2 號 3 號一樣可以和 10 號一起貼邊
如果這樣沒錯的話它的面積就是 0.099865)
11 和 13 似乎也是常常在一起
11 是葉子形這前面提過了 13 是一個長凹弧、長凸弧和短凹弧
扣掉似乎是一單位長的 13 的短凹弧外的四個弧好像一樣長...
至少 11 的弧和 13 的長凹弧一樣長這是確定的
等等用上面的 12 號假設湊湊看能不能湊出正確的大小來
--
'Oh, Harry, don't you see?' Hermione breathed. 'If she could have done
one thing to make absolutely sure that every single person in this school
will read your interview, it was banning it!'
---'Harry Potter and the order of the phoenix', P513
--
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