Maths Crossword

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Across
  1. 1. 857 - 858 = ?
  2. 3. 8 × 7
  3. 4. 85% of 40?
  4. 5. What is IV in Roman Numerals?
  5. 7. 243^2 + 33
  6. 10. 34 - 1 + 200 × 2 = ?
  7. 12. 81 = u + 11 so u =
  8. 13. 2.5^2
  9. 14. 85199 + 5 + (5565 + 1) = ?
Down
  1. 2. 123456789 + 1 = ?
  2. 3. 1620 ÷ 3 = ?
  3. 6. (12 × 12) ÷ 6
  4. 8. ((731 ÷ 17) + 2) ÷ 5
  5. 9. What is the Perimeter of a 8 × 2 rectangle?
  6. 11. If 10 x 24 = 240, then 10 x 35 = ?