The nombers

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Across
  1. 2. the opposite of small
  2. 5. round shape
  3. 6. a large round number
  4. 9. a shape with three sides
  5. 10. a number with two digits include a zero
Down
  1. 1. straight mark
  2. 3. the result of multiplying two numbers togheter
  3. 4. a shape with four equal sides
  4. 7. The opposite of multiplication.
  5. 8. hundred and eighty trhee What is the answer for 915/5