|
 | | |  | | | | |  | | | | |  | | 1. | | 350 - 240 = | 110 |  | 2. | | 270 - 120 = | 150 |  | 3. | | 370 - 10 = | 360 |  | | |  | | | | |  | | | | |  | | 4. | | 420 - 230 = | 190 |  | 5. | | 370 - 350 = | 20 |  | 6. | | 370 - 200 = | 170 |  | | |  | | | | |  | | | | |  | | 7. | | 340 - 20 = | 320 |  | 8. | | 160 - 50 = | 110 |  | 9. | | 180 - 140 = | 40 |  | | |  | | | | |  | | | | |  | | 10. | | 390 - 350 = | 40 |  | 11. | | 340 - 210 = | 130 |  | 12. | | 390 - 260 = | 130 |  | | |  | | | | |  | | | | |  | | 13. | | 390 - 140 = | 250 |  | 14. | | 210 - 50 = | 160 |  | 15. | | 250 - 110 = | 140 |
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