Test 11. A2. Ac3. 3bc4. A5. B6. Ab7. Ab8. Abc9. Abc10. B11. Abc12. Ac13. 14. B15. Ab16. 17. 18. Bc19. A20. Ac

Test21.-2b3-4-5-6c, dc ii corect?7c8b9ab10ab11bc12ab13ac14-15abc16ac17bc18a19ab20ab

Test31.a2b3a4ac5ac6c7b8c9-10b11a12bc13ac14a15a16bc17b poat c18ac19abc20ac