addition

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Across
  1. 2. 25+5=
  2. 3. 10+10=
  3. 4. 10+5=
  4. 5. 25+25=
Down
  1. 1. 15+20=
  2. 2. 10+20=
  3. 3. 20+5=
  4. 4. 5+5=