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2
All published worksheets from
http://sagenb.org
Project:
sagenb.org published worksheets
Path:
pub
/
1401-1501
/
1442.sagews
Views:
1
6
8
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3
7
Image:
ubuntu2004
A
:
=
matrix
(
1
,
4
(
0
,
1
,
0
,
0
)
]
;