Math

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Across
  1. 1. Advanced math
  2. 3. +
  3. 5. /
  4. 7. Another way to say 'x'
  5. 10. all+all/#of values
  6. 11. What you are doing
  7. 12. x
Down
  1. 2. Finding the area of an odd triangle
  2. 4. ?x?=_
  3. 6. Albert Einstein's famous equation.
  4. 8. Expert math.
  5. 9. %