CROSS NUMBER PUZZLE

1234567
Across
  1. 1. -3 -(-23)
  2. 2. -8 +(-7)
  3. 3. -17-4
  4. 4. 5-(-6)
  5. 6. -25+(-5)
  6. 7. -4 +(-30)
Down
  1. 1. 19+6
  2. 2. -9+ (-2)
  3. 3. -18 -(-8)
  4. 5. -8 - (-18)
  5. 6. 1-5