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Calcudoku (4×4)

Fill the grid so that every row and every column has each number from 1 to 4 exactly once, and every bold-outlined cage reaches its corner target using + − × ÷. For example, "6×" means the numbers in that cage must multiply to 6.

Example
1−2312×146+4238×12−34÷142146×23
  1. 1.
    7+12×13×1−437+
  2. 2.
    9+231111+15+34
  3. 3.
    136+33+1−16×3−3÷
  4. 4.
    3÷6×8×32×328+
  5. 5.
    8×12×3÷16×31−3−
  6. 6.
    224×5+3÷44+338×
  7. 7.
    2−212×8×24×2×1−1
  8. 8.
    12×1248×233×28×
  9. 9.
    48×6×7+4÷6×4
  10. 10.
    7+32÷1−24×4+12×4
  11. 11.
    7+1−24×4×6×4÷31
  12. 12.
    5+6×12+25+7+21
  13. 13.
    236×16+2−22÷15+3
  14. 14.
    21−15+3÷2321−12÷