中文解析: 如上图所示,红色的线是对称轴, 除了 P 点外,其上有 4*8=32 个点。32 个点和总点数的比值是: 32/80,即 2/5.答案是 C。 Problem 7 Answer: A Solution: We c 2013C试卷澳大利亚数学竞赛AMC7-8年级中文历年真题 Australian Mathematics Competition sponsored by the Commonwealth Bank an ...
+ 5+6 + 8 + 1O6 = 130 =2fi The average weight of the five kids is5 — The average weight of the five kids is (E) average, (E) average,射 20 Therefore, the average weight is bigger, by J J pounds, making the answer 1: Work ing Backwards Let the value in the empty box ...
the total bill. What was the total bill? 5.Hammie is in the grade and weighs 106 pounds. His quadruplet sisters are tiny babies and weigh 5, 5, 6, and 8 pounds. Which is greater, the average (mean) weight of these five children or the median weight, and by how many pounds?
the total bill. What was the total bill? 5.Hammie is in the grade and weighs 106 pounds. His quadruplet sisters are tiny babies and weigh 5, 5, 6, and 8 pounds. Which is greater, the average (mean) weight of these five children or the median weight, and by how many pounds?
AMC Junior 2013澳大利亚数学AMC-C：7-8年级英语历年真题
3. Your answer sheet will be scanned. The optical scanner will attempt to read all markings even if they are in the wrong places, so please be careful not to doodle or write anything extra on the answer sheet. If you want to change an answer or remove any marks, use a plastic e...
Solution Lining up the numbers (5, 5, 6, 8, 106), we see that the median weight is 6 pounds. The average weight of the five kids is Therefore, the average weight is bigger, by . pounds, making the answer . 6. Problem The number in each box below is the product of the numbers...
AMC10A_2013_answer_kays 下载积分: 1600 内容提示: AMC10A 2013 Answer KeysMathematics Association of AmericaFebruary 13, 2013The followings are the answers to the problems appeared in AMC10A 2013.1. C2. B3. E4. C5. B6. D7. C8. C9. B10. E11. A12. C13. B14. D15. D16. E17. B18...
2012-2015年AMC全美数学竞赛试题答案 AMC Answer Key 2012~2017 年全美数学竞赛10A、10B、12A、12B试题答案 American Mathematics Competition
8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 A ll AMC 10 Problems and Solutions 2013 AMC 12B (Problems • Answer Key • Resources (/Forum/resources.php?c 182cid 44year 2013)) ...