Cruci Matematica (inserisci i numeri in lettere)

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Across
  1. 5. 7+7-1=
  2. 6. 34-12+18+32=
  3. 8. 7+2-1+3-2+5=
  4. 10. 60+36-6-10+21+31-10=
  5. 11. 9+3+5-8+1-10=
Down
  1. 1. 10+3-2-1+5=
  2. 2. 12+3-4+1-5=
  3. 3. 30+12-2+9-1=
  4. 4. 21-11+8-2=
  5. 7. 17+20-12+8+4=
  6. 9. 12+9-1+8=
  7. 10. 21+9-10+20+10=