19 Mar 2018
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: ★★★★★  Points: 9     Solved 72 times
abcdefg
1
13+
64^

120×

2

1-

1 mod
3
4 :
5-
14+

105×

4

8+

7^

5
90×

4-
6

3-

0 mod

0-

7
10+

6

5

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: Monday 19 March 2018, 6:15:19 Central European Time. Page processing time: 0.076 sec. Page load time sec.