2019 AMC 10B 考试答案
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All of the real AMC 8 and AMC 10 problems in our complete solution collection are used with official permission of the Mathematical Association of America (MAA).
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1. D
2. E
3. B
4. A
5. E
6. C
7. B
8. B
9. A
10. A
11. A
12. C
13. A
14. C
15. A
16. A
17. C
18. C
19. C
20. E
21. B
22. B
23. C
24. C
25. C