Teka-teki matematika

Edit Answers
12345678
Across
  1. 2. -100+325
  2. 4. -230-(-15)
  3. 6. 25-225
  4. 7. -250+1500
  5. 8. 50-(-4)
Down
  1. 1. -50+400
  2. 3. -300+812
  3. 4. 200-600
  4. 5. 123-246
  5. 6. -110+5