Normal sudoku rules apply. (Place the digits 1-9 in each row, column and 3x3 box exactly once each). Each line must contain a true mathematical equation. (Two cell circles enclose 2-digit numbers; three cell circles enclose 3-digit numbers).
Normal sudoku rules apply. (Place the digits 1-9 in each row, column and 3x3 box exactly once each). Each line must contain a true mathematical equation. (Two cell circles enclose 2-digit numbers; three cell circles enclose 3-digit numbers).