Addition

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Across
  1. 5. 14+13=
  2. 6. 11+_=30
  3. 7. 3+_=27
  4. 8. 10+_=21
Down
  1. 1. 17+_=31
  2. 2. 3+_=20
  3. 3. 15+11=
  4. 4. 14+_=26
  5. 5. 12+13=