maths

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Across
  1. 3. What is Japanese currency
  2. 5. 1320 divided by 120
  3. 6. E=MC.....
  4. 7. 120 divided by twelve
Down
  1. 1. 180 divided by 20
  2. 2. The square route of 49
  3. 4. 9x9-10+2-3=