USA AMC 10 20001In the year :。,the United States will host the International Mathematical Olympiad. Let . , :, and be di
Problem 8 答案:E Solution 1:You can see that we can create a “stack” of 5 triangles congruent to the 7 small triangles shown here, arranged in a row above those 7, whose total area would be 5. Similarly, we can create another row of 3, and finally 1 more at the top, as follo...
B , 8. D , 9. C , 10. D , 11. C , 12. C , 13. B , 14. C , 15. E , 16. B , 17. D , 18. C , 19. D , 20. C , 21. B , 22. C , 23. E , 24. B , 25. A , 2001 年第 02 届 美国 AMC10 (2001 年 2 月日 时间 75 分钟) 1. 设下列资料:n,n3,...
(A) 4 (B) 5 (C) 6 (D) 7 (E) 8 14. 某慈善机构义卖 140 张公益彩券所得总金额 2001 元,其中有些彩券以全价(整数)义卖, 其它彩券则以半价义卖,则以全价义卖的彩券共筹得 元。 (A) 782 (B) 986 (C) 1158 (D) 1219 (E) 1449 15. 一道路宽 40 呎,由两条平行白线所构成的行人...
2018AMC10AAnswerkey真题解析与答案翰林首发如需咨询国际竞赛,请微信咨询:国际竞赛小助手:linstitute1有关国际课程可微信咨询:国际课程
AnswerKey 1.B 6.C 11.C 16.C 21.A 2.D 7.D 12.A 17.D 22.D 3.D 8.C 13.B 18.E 23.D 4.D 9.C 14.E 19.C 24.D 5.E 10.E 15.D 20.B 25.E 2ProblemsandSolutions Problem1.Whatisthevalueof 21+2+3—⑵+22+23)?
2017 AMC 10A Answer Key 1. C 2. D 3. B 4. B 5. C 6. B 7. A 8. B 9. C 10. B 11. D 12. E 13. D 14. D 15. C 16. B 17. D 18. D 19. C 20. D 21. D 22. E 23. B 24. C 25. A ArticleDiscussionView sourceHistory ...
After Maria takes of the remaining -Contributed by Awesome2.1, latex by quacker88 Video Solution https://youtu.be/qJF3G7_IDgc ~IceMatrix See Also 2020 AMC 12A (Problems ? Answer Key ? Resources (http://www.artofproblemsolving.com/Forum/re sources.php?c=182&cid=44&year=2020)) Preceded...