matematica

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