Pre-Algebra

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Across
  1. 3. 23 + 7 * 6
  2. 6. 9 + 10 - 7
  3. 9. 8^2 - 5
  4. 10. 2(5^2) + 9
  5. 11. 7^2 + 2 * 10 - 1
  6. 12. 10^2
Down
  1. 1. 9 + 7 - 3x + 3 if x = 2
  2. 2. 129 - 30
  3. 4. 9^2 + 19
  4. 5. 5x - 32 - (+1) if x = 6
  5. 7. 7^2 + 2 * 10 - 1
  6. 8. 8 + 2 - 1 - 8 + 2 * 3