math

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Across
  1. 1. addition
  2. 6. Y
  3. 7. +
  4. 9. x
  5. 10. Ax + By = C
Down
  1. 2. -
  2. 3. y=2
  3. 4. X/Y
  4. 5. lines on a
  5. 8. y=mx+b