Addition

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Across
  1. 3. 5+3=
  2. 5. 9+7=
  3. 7. 1+3=
  4. 8. 1+2=
Down
  1. 1. 1+0=
  2. 2. 8+2=
  3. 4. 7+5=
  4. 5. 1+5=
  5. 6. 1+1=