Addition and subtraction

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Across
  1. 2. 12- 6 =
  2. 3. 11-1=
  3. 4. 25+25=
  4. 6. 37-18 =
  5. 7. six 18 + 18 =
Down
  1. 1. 32-14 =
  2. 3. seven 50-23 =
  3. 4. 26 + 14 =
  4. 5. 12-12=