order of operation's

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Across
  1. 2. 1 step of pemdas
  2. 3. which comes first parenthesis or multiplication
  3. 6. 5 step of pemdas
  4. 7. 4 step of pemdas
Down
  1. 1. 3 step of pemdas
  2. 4. 2 step of pemdas
  3. 5. which comes first addition or division