2015 AMC 12B Problems 2015 AMC 12B (Answer Key) Printable version: | AoPS Resources (/Forum/resources.php? c 182cid 44year 2015) • PDF (/Forum/resources/files/usa/USA- AMC_12-AHSME-2015-44) Instructions 1. This is a 25-question, multiple choice test. Each question is followed by ...
2021年美国数学竞赛AMC真题及答案解析(英文版).pdf,2021 AMC 12A Peeyush Pandaya et al. February 2021 1 Answer Key 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. ...
February 2021 1 Answer Key 1. B 2. D 3. D 4. D 5. E 6. C 7. D 8. C 9. C 10. E 11. C 12. A 13. B 14. E 15. D 16. C 17. D 18. E 19. C 20. B 21. A 22. D 23. D 24. D 25. E 2 Problems and Solutions Problem 1. What is the value of 21+2+3...
February2021 1AnswerKey 1.B 2.D 3.D 4.D 5.E 6.C 7.D 8.C 9.C 10.E 11.C 12.A 13.B 14.E 15.D 16.C 17.D 18.E 19.C 20.B 21.A 22.D 23.D 24.D 25.E 2ProblemsandSolutions Problem1.Whatisthevalueof 2 1+2+3 (2 1 +2 2 +2 3 )? (A)0(B)50(C)52(D)54...
2021 AMC 10A Answer Key 1 2 3 4 5 6 7 8 9 10 B A E E D B E C E A 11 12 13 14 15 16 17 18 19 20 E C D A D D C D E B 21 22 23 24 25 E D D D D 相关推荐》》》 相关试卷 2021 AMC10A 真题解析 2021 AMC10A 答案解析 1. A. B. C. D. E. F. What ...
Problem 8 A data set consists of (not distinct) positive integers: , , , , , and . The average (arithmetic mean) of the numbers equals a value in the data set. What is the sum of all positive values of ? Problem 9 A rectangle is partitioned into ...
Problem 8 Consider the following sets of elements each: How many of these sets contain exactly two multiples of ? Problem 9 The sum can be expressed as , where and are positive integers. What is ? Problem 10 Camila writes down five positive integers. The unique mode of these integers is...
47、ue "8 ounces" is not important. We will only use the fact that each member of the family drank the same amount.Let 崎 I be the total number of ounces of milk drank by the family and the total number of ounces of coffee. Thus the whole family drank a total of 如,-卜仁ounces...
popsicles, so the answer is?. 2017 AMC 10A Problems/Problem 3 Problem Tamara has three rows of two?-feet by?-feet flower beds in her garden. The beds are separated and also surrounded by?-foot-wide walkways, as shown on the diagram. What is the total area of the walkways, in square...
Answer 1.B 2.D 3.D 4.D 5.E Key 6.C 7.D 8.C 9.C 10.E 11.C 12.A 13.B 14.E 15.D 16.C 17.D 18.E 19.C 20.B 21.A 22.D 23.D 24.D 25.E 2ProblemsandSolutions Problem1.Whatisthevalueof 21+2+3-(2¹+2²+23)?