Contrôle: De cijfers

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Across
  1. 1. = 89 - 16
  2. 5. = 10 x 0
  3. 6. = 78 - 26
  4. 8. = 110 x 2
  5. 11. = 4 x 3
  6. 12. = 60 - 43
  7. 13. = 8 x 8
Down
  1. 2. = 22 x 3
  2. 3. = 5 x 5
  3. 4. = 90 - 2
  4. 5. = 50 - 1
  5. 7. = 175 - 72
  6. 9. = 550 - 50
  7. 10. = 9 x 2 + 1