Easy Math / Cheat if you have to 🧐

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Across
  1. 1. 63x63
  2. 4. 89 to the 3rd power
  3. 6. 7+4
  4. 7. 600+600
  5. 8. 300x3
  6. 9. 50x2
  7. 10. 6x8
  8. 11. 8x8
  9. 12. 55 divided by 1
  10. 13. 314x5
  11. 14. square root of 12
Down
  1. 2. 77+77x4
  2. 3. 8x4
  3. 4. 5x4
  4. 5. 798x1
  5. 6. 5+5
  6. 7. 60+80 +120+800
  7. 10. 50-5
  8. 12. 9x6
  9. 13. 7x2
  10. 14. 789 divided by 3