Matematika

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Across
  1. 5. 40+40=
  2. 7. 15+15=
  3. 8. 2+2=
Down
  1. 1. 15-3=
  2. 2. 15+9=
  3. 3. 10-2=
  4. 4. 50+50=
  5. 6. 300-100=