Sudoku ngumu ya kuchapisha (PDF ya bure)
Download Sudoku ngumu as a free printable PDF, ready for pencil-and-paper solving.
Kitabu cha Sudoku (PDF)
Pakua bure kitabu cha sudoku cha kiwango cha ngumu kwa PDF: mafumbo 20, 60 au 120, na majibu kwenye PDF tofauti. Tayari kuchapishwa kwenye A4 au US Letter.
Viwango vingine
Hakiki
8
1
9
3
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3
1
7
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2
5
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Kwa nini sudoku hizi?
Sudoku ngumu develops logical thinking and gives a challenge suited to its difficulty.
Jinsi ya kuchapisha
Click “Pakua kitabu”, open the PDF and choose A4 or US Letter. There are six fumbo per page.
Vidokezo vya kutatua
For Sudoku ngumu, start with the most constrained rows, columns and boxes.
Maswali ya mara kwa mara
Who is Sudoku ngumu for?
Sudoku ngumu hutoa mantiki inayolingana na kiwango chake.
How should I solve Sudoku ngumu?
Anza kwa kukagua safu, nguzo na visanduku 3×3, kisha tafuta nafasi za lazima.
Are new fumbo added?
Yes. New fumbo are added regularly and solutions are supplied separately.
Jifunze mbinu
Kumbukumbu ya mwaka
Ngumu — Kitabu cha Sudoku 2026
Ngumu — Kitabu cha Sudoku 2025
Ngumu — Kitabu cha Sudoku 2024
Ngumu — Kitabu cha Sudoku 2023
Ngumu — Kitabu cha Sudoku 2022
Ngumu — Kitabu cha Sudoku 2021
Ngumu — Kitabu cha Sudoku 2020
Ngumu — Kitabu cha Sudoku 2019
Ngumu — Kitabu cha Sudoku 2018
Ngumu — Kitabu cha Sudoku 2017
Ngumu — Kitabu cha Sudoku 2016
Ngumu — Kitabu cha Sudoku 2015
Ngumu — Kitabu cha Sudoku 2014
Ngumu — Kitabu cha Sudoku 2013
Ngumu — Kitabu cha Sudoku 2012
Ngumu — Kitabu cha Sudoku 2011
Ngumu — Kitabu cha Sudoku 2010
Ngumu — Kitabu cha Sudoku 2009
Ngumu — Kitabu cha Sudoku 2008
Ngumu — Kitabu cha Sudoku 2007
Ngumu — Kitabu cha Sudoku 2006
Ngumu — Kitabu cha Sudoku 2005