Addition, Subtraction & Multiplication

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Across
  1. 1. 30x2
  2. 2. 15-3
  3. 3. 11x9
  4. 4. 19+7
  5. 5. 90-80
Down
  1. 1. 70-8
  2. 2. 11+8
  3. 3. 100-4
  4. 4. 5x4
  5. 5. 4+12