(a) Subtract: 0 - 5, borrow. 10 - 5 = 5. 9 - 4 = 5. 2 - 0 = 2. Answer: 255 (b) Subtract: 2 - 8, borrow. 12 - 8 = 4. 5 - 6, borrow. 15 - 6 = 9. 8 - 2 = 6. Answer: 694 (c) Subtract: 6 - 9, borrow. 16 - 9 = 7. 9 - 0 = 9. 6 - 2 = 4. Answer: 497 (d) Subtract: 2 - 7, borrow. 12 - 7 = 5. 3 - 8, borrow. 13 - 8 = 5. 7 - 3 = 4. Answer: 455 (e) Subtract: 4 - 6, borrow. 14 - 6 = 8. 6 - 7, borrow. 16 - 7 = 9. 5 - 0 = 5. Answer: 598 (f) Subtract: 4 - 9, borrow. 14 - 9 = 5. 4 - 0 = 4. 7 - 4 = 3. Answer: 345 (g) Subtract: 3 - 5, borrow. 13 - 5 = 8. 9 - 4 = 5. 3 - 2 = 1. Answer: 158 (h) Subtract: 0 - 4, borrow twice. 10 - 4 = 6. 9 - 8 = 1. 5 - 3 = 2. Answer: 216 (i) Subtract: 6 - 8, borrow. 16 - 8 = 8. 3 - 3 = 0. 5 - 5 = 0. Answer: 8