$TITLE
How to solve Videos Forum Timed Rankings PDF Print   Solution 22 Feb 2021
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
6×6
7×7
Sudoku
Difficult:
4×4
5×5
6×6
7×7
9×9
Extra
Difficult 7 × 7, Rating: ★★★★★      Solved 337 times
abcdefg
1 
1 :

20×

2 :
16807^
2 


7^




3 

3-

32^

12+
2 mod
4 
30×

10+




5 

21+

1 mod

9+

6 
21×


168×


1 mod
7 


4

4-


Note: this puzzle also uses the modulo operator mod
a mod b = r means that when dividing a by b, the remainder is r. For example, 5 mod 2 = 1, and 3 mod 5 = 3.
Look here for some more explanations.

Note: this puzzle also uses the exponentiation operator ^
Example: 2^3 = 2 x 2 x 2 = 8
Or, with three digits: 2^4^2 = 2^(4^2) = 2^16 = 65536
Note: evaluation is right to left


total
All puzzles published on this site are © Patrick Min. Send your ideas and suggestions to

Tomorrow's puzzles will appear in  hour(s) and  minute(s).Order puzzles

Articles: the 10 Hardest Logic/Number Puzzles | The 7 Easiest Puzzles | Numerical Intelligence


Server time: Friday 26 February 2021, 13:05:51 Central European Time. Page processing time: 0.073 sec. Page load time sec.