Last Digit
Locate the last placement of a digit already present eight times.
All candidates have been entered in the empty cells.
the 8 cells in B already contain 9. cell A is the one remaining cell for 9. Therefore, cell A is 9.
Locate the last placement of a digit already present eight times.
All candidates have been entered in the empty cells.
the 8 cells in B already contain 9. cell A is the one remaining cell for 9. Therefore, cell A is 9.