Find the number of ways in which the nine digits 1,2,3,...,9 can be arranged in a 3*3 square array such that the determinant of this square is an odd integer. Each digit to be used only once.

(In reply to re(2): Computer Solution by Charlie)

I was trying to figure out where I went wrong and I couldn't find any mistake.

Posted by Larry on 2024-05-29 21:45:30