Math

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Across
  1. 1. 2,4,6,8
  2. 4. 90'
  3. 5. 5,4,3,2,1
  4. 6. Double, Triple, Quadruple
  5. 7. YAY
Down
  1. 2. The opposite of multiply
  2. 3. Km, mm and m
  3. 7. 1/2