homework

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Across
  1. 5. 10+2
  2. 7. 9x2
  3. 9. 50-37
  4. 10. 100-84
Down
  1. 1. 30-15
  2. 2. 16+1
  3. 3. _x5=100
  4. 4. 7x2
  5. 6. 20-9
  6. 8. 21-2