CalcuDoku
Sudoku meets arithmetic.
Fill in 1–N so each number appears once per row and column. Each cage (bold outline) must reach the corner number using the given operation (+, −, ×, ÷).
14+1−7+14+9+7+20×80×8×1−540×6×
Sudoku meets arithmetic.
Fill in 1–N so each number appears once per row and column. Each cage (bold outline) must reach the corner number using the given operation (+, −, ×, ÷).