1. (120) = (10)2. (300) = (30)3. - (150) = (30)4. (50) = (5)5. (380) = (40)6. (250) = (100)7. (600) = (250)8. (180) = (60)9. (300) = (40)10. (120) = (50)11. (580) = (300)12. (400) = (30)13. (100) = (30)14. (280) = (30)15. (220) = (80)16. (240) = (40)17. (200) = (50)18. (300) = (20 )19. (220) = (100)20. (580) = (200)21. (180) = (60)22. (600) = (180)23. (320) = (20)24. (400) = (100)25. -1000 (350) = - 1000 (120)26. (150) = (50)27. (120) = (40)28. (360) = (120)29. (200) = (10)30. (410) = (80)31. (250) = (50)32. (620) = (40)33. (180) = (50)34. (140) = (10)35. (350) = (230)36. (50) = (20)37. (450) = (90)38. (200) = (50)39. (90) = (10)40. (220) = (110)41. (270) = (50)42. - (250) = (70)43. (280) = (50)44. (200) = (20)45. (380) = (40)46. (300) = (100)47. (150) = (70)48. (400) = (40)C