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 (+, −, ×, ÷).
1−14+3+3−13+40×3−90×8+4−11+5120×
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 (+, −, ×, ÷).