Your second sentence is too hard to do!
Number Theory
Level
1
The above is a sudoku puzzle. Fill up all the missing cells. Submit your answer as the product of all the \(9\times9=81\) numbers in this puzzle.
\(\)
Notation: \(!\) is the factorial notation. For example, \(8! = 1\times2\times3\times\cdots\times8 \).
Image Credit: The Telegraph.
by
Pi Han Goh