matematica

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Across
  1. 2. 25 : 5 =
  2. 4. 100-20=
  3. 7. 50 + 10 =
  4. 10. 80 : 5 =
Down
  1. 1. (2x5) + 10=
  2. 3. 30 + 20=
  3. 5. 100 : 50 =
  4. 6. (10+3) – (6+4) =
  5. 8. 12 : 2 =
  6. 9. (5x3) - (5x1)=