Maths Crossword

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Across
  1. 3. making something bigger
  2. 4. x,y,o,p
  3. 7. -10,20
  4. 8. 2+2
  5. 9. the number infront of the letter
  6. 10. 20% off sale
  7. 13. 2x+3yx5x
Down
  1. 1. 25 to the power of 0
  2. 2. x-6=22
  3. 5. turn x into a value
  4. 6. equation of a line
  5. 11. 50:3
  6. 12. 542