天平問題 003 - 拼圖
![Emily avatar](/img/girl3.jpg)
By Emily
at 2007-11-28T09:38
at 2007-11-28T09:38
Table of Contents
(1) 1~8克 使天平平衡 Edit:第一個天平換了位置
│
┌┬┬┬┴┬┬┐
○ │○○
┌┬┬┴┬┬┐
○○ ○○○
右邊力矩最少的情況
│
┌┬┬┬┴┬┬┐
8 │ 2 1
┌┬┬┴┬┬┐ 我沒有平衡 只是要看右邊最少是多少
3 4 5 6 7
3+4+5+6+7+2*2+1*3=32
左邊最大也是4*8=32
右邊最少等於左邊最大 這時候只有一種可能
所以可以知道 1.2.8的位置對了
3.4.5.6.7在底下 現在只是要想辦法讓他平衡
我用感覺猜的
│
┌┬┬┬┴┬┬┐
8 │ 2 1
┌┬┬┴┬┬┐
7 4 5 3 6
--
│
┌┬┬┬┴┬┬┐
○ │○○
┌┬┬┴┬┬┐
○○ ○○○
右邊力矩最少的情況
│
┌┬┬┬┴┬┬┐
8 │ 2 1
┌┬┬┴┬┬┐ 我沒有平衡 只是要看右邊最少是多少
3 4 5 6 7
3+4+5+6+7+2*2+1*3=32
左邊最大也是4*8=32
右邊最少等於左邊最大 這時候只有一種可能
所以可以知道 1.2.8的位置對了
3.4.5.6.7在底下 現在只是要想辦法讓他平衡
我用感覺猜的
│
┌┬┬┬┴┬┬┐
8 │ 2 1
┌┬┬┴┬┬┐
7 4 5 3 6
--
Tags:
拼圖
All Comments
![Kelly avatar](/img/girl4.jpg)
By Kelly
at 2007-11-29T22:56
at 2007-11-29T22:56
![Elvira avatar](/img/girl5.jpg)
By Elvira
at 2007-11-30T07:31
at 2007-11-30T07:31
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By Odelette
at 2007-12-03T05:49
at 2007-12-03T05:49
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By Jack
at 2007-12-06T02:02
at 2007-12-06T02:02
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By Franklin
at 2007-12-10T16:26
at 2007-12-10T16:26
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By Tracy
at 2007-12-15T02:48
at 2007-12-15T02:48
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By Quanna
at 2007-12-18T11:05
at 2007-12-18T11:05
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