Order of operation.

12345678
Across
  1. 1. 15x6/10-56 (add thee letter " a" before the answer
  2. 3. 13[(5+19)/2] (add the letter "a" before the answer)
  3. 4. multiplication>subtraction
  4. 6. strongest symbols
  5. 7. The steps you do in a problem that doesn't have a equal sign
  6. 8. you solve these first
Down
  1. 1. weakest symbols
  2. 2. the steps you do if a problem has more than of operation
  3. 5. the order you solve different operations