數獨一題 - 數獨
By Blanche
at 2009-04-23T00:09
at 2009-04-23T00:09
Table of Contents
※ 引述《corona54 (讓陽光曬曬心情)》之銘言:
題目:
A B C | D E F | G H I
a 5 7 | 2 4 |
b 4 1 | 7 | 2 5
c 6 2 | 9 | 7 4
-------------------------
d 5 | 1 7 8 |
e 7 9 | 4 | 8
f | 9 2 | 7
-------------------------
g 2 | 4 | 5 3
h 1 4 | 9 | 6 8 2
i 5 | 8 2 | 4 7
--
A B C | D E F | G H I
a 5 7 | 2 4 |
b 4 1 | 7 | 2 5
c 6 2 | 9 | 7 4
-------------------------
d 5 | 1 7 8 |
e 7 9 | 4 | 8
f | 9 2 | 7
-------------------------
g 2 | 4 X | 5 3
h 1 4 | 9 | 6 8 2
i 5 | 8 2 | 4 7
Eg不能是2、3、4、5、7、8、9
只可能是1、6
A B C | D E F | G H I
a 5 7 | 2 ︳4 |
b 4 1 | 7 ︳X | 2 5
c 6 2 | X ︳9 | 7 4
------------︳-----------
d 5 | 1 ︳8 |
e 7 9 | ︳ | 8
f | ︳2 | 7
------------︳-----------
g 2 | 4 ︳ | 5 3
h 1 4 | 9 | 6 8 2
i 5 | 8 2 | 4 7
最上面中間的九宮格中,1必定在E行
所以Eg不可能是1
因此,Eg=6
--
題目:
A B C | D E F | G H I
a 5 7 | 2 4 |
b 4 1 | 7 | 2 5
c 6 2 | 9 | 7 4
-------------------------
d 5 | 1 7 8 |
e 7 9 | 4 | 8
f | 9 2 | 7
-------------------------
g 2 | 4 | 5 3
h 1 4 | 9 | 6 8 2
i 5 | 8 2 | 4 7
--
A B C | D E F | G H I
a 5 7 | 2 4 |
b 4 1 | 7 | 2 5
c 6 2 | 9 | 7 4
-------------------------
d 5 | 1 7 8 |
e 7 9 | 4 | 8
f | 9 2 | 7
-------------------------
g 2 | 4 X | 5 3
h 1 4 | 9 | 6 8 2
i 5 | 8 2 | 4 7
Eg不能是2、3、4、5、7、8、9
只可能是1、6
A B C | D E F | G H I
a 5 7 | 2 ︳4 |
b 4 1 | 7 ︳X | 2 5
c 6 2 | X ︳9 | 7 4
------------︳-----------
d 5 | 1 ︳8 |
e 7 9 | ︳ | 8
f | ︳2 | 7
------------︳-----------
g 2 | 4 ︳ | 5 3
h 1 4 | 9 | 6 8 2
i 5 | 8 2 | 4 7
最上面中間的九宮格中,1必定在E行
所以Eg不可能是1
因此,Eg=6
--
Tags:
數獨
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at 2009-04-24T16:22
By Anthony
at 2009-04-28T22:41
at 2009-04-28T22:41
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