Re: 二階魔術方塊推理題02 - 魔術方塊

By Queena
at 2007-04-25T21:54
at 2007-04-25T21:54
Table of Contents
※ 引述《rehearttw (易懷)》之銘言:
: 很久以前的題目
: 睡不著的人可以想一下
: 二階魔術方塊推理題02
: 再來試試一題,看看能不能用想的把答案想出來?
: 配色為官方配色(東賢紫=官方橙)
: 橙 O
: | |
: 白-藍-黃-綠 W-B-Y-G
: | |
: 紅 R
: 題目:看到一個二階方塊如下左圖
: 將方塊南北極定住不動,整個方塊旋轉 180 度後,成下右圖
: 請問 1~12 各是什麼顏色?
/ \ /|\ Ans: ╱|╲
/ W \ /2 | 5\ ╱ | ╲
|\B G/| |1 4 | 7 6| |Y | W|
|R \Y/ O| |3 /9\ 8| | ╱ ╲ |
|G O | B O| |/10 11\| |╱ ╲|
\R | B/ \ 12 / ╲ Y ╱
\|/ \ / ╲ ╱
易知:6=W,1=Y,12=Y 轉數(見5841篇)
0
設背面上=α,左下=β,右下=γ,中=δ + δ -
γ 0 β
剩 WRG WGO WOB YGR 0
α 0 0 0 x
β x + 0 x α+β+γ+δ=0
γ 0 - x -
δ ? ? ? ?
case1 β=WGO+, α=WRG0 => γ=YGR-, δ=WOB0
case2 β=WGO+, α=WOB0 => γ=WRG0, δ=YGR-
case3 β=WOB0, α=WRG0, γ=WGO- => δ=YGR+
case4 β=WOB0, α=WRG0, γ=YGR- => δ=WGO+
case5 β=WOB0, α=WGO0, γ=WRG0 => δ=YGR0 (這是7623篇的解)
case6 β=WOB0, α=WGO0, γ=YGR- => δ=WRG+
共6組解
應該都轉的出來^^"
--
: 很久以前的題目
: 睡不著的人可以想一下
: 二階魔術方塊推理題02
: 再來試試一題,看看能不能用想的把答案想出來?
: 配色為官方配色(東賢紫=官方橙)
: 橙 O
: | |
: 白-藍-黃-綠 W-B-Y-G
: | |
: 紅 R
: 題目:看到一個二階方塊如下左圖
: 將方塊南北極定住不動,整個方塊旋轉 180 度後,成下右圖
: 請問 1~12 各是什麼顏色?
/ \ /|\ Ans: ╱|╲
/ W \ /2 | 5\ ╱ | ╲
|\B G/| |1 4 | 7 6| |Y | W|
|R \Y/ O| |3 /9\ 8| | ╱ ╲ |
|G O | B O| |/10 11\| |╱ ╲|
\R | B/ \ 12 / ╲ Y ╱
\|/ \ / ╲ ╱
易知:6=W,1=Y,12=Y 轉數(見5841篇)
0
設背面上=α,左下=β,右下=γ,中=δ + δ -
γ 0 β
剩 WRG WGO WOB YGR 0
α 0 0 0 x
β x + 0 x α+β+γ+δ=0
γ 0 - x -
δ ? ? ? ?
case1 β=WGO+, α=WRG0 => γ=YGR-, δ=WOB0
case2 β=WGO+, α=WOB0 => γ=WRG0, δ=YGR-
case3 β=WOB0, α=WRG0, γ=WGO- => δ=YGR+
case4 β=WOB0, α=WRG0, γ=YGR- => δ=WGO+
case5 β=WOB0, α=WGO0, γ=WRG0 => δ=YGR0 (這是7623篇的解)
case6 β=WOB0, α=WGO0, γ=YGR- => δ=WRG+
共6組解
應該都轉的出來^^"
--
Tags:
魔術方塊
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at 2007-04-27T05:08
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