2018 AMC 12B ANSWER KEY答案解析
Problem 1 Solution 1 The area of the pan is = . Since the area of each piece is , there are pieces. Thus, the answer is . Solution 2 By dividing the each of the dimensions by , we get a grid which ...
【同步首发】2018AMC10B官方真题及答案
2018 AMC10B真题 答案解析请参考文末 Problem 1 Kate bakes a 20-inch by 18-inch pan of cornbread. The cornbread is cut into pieces that measure 2 inches by 2 inches. How many pieces of cornbread does ...
【同步首发】2018AMC12B官方真题及答案
2018 AMC 12B真题 答案解析请参考文末 Problem 1 Kate bakes 20-inch by 18-inch pan of cornbread. The cornbread is cut into pieces that measure 2 inches by 2 inches. How many pieces of cornbread does t...
2016HiMCM特等奖Outstanding论文A题下载
全网首发 共四篇 2016HiMCM A题真题请点这里 Team 6453: Swim, Bike, and Run Hangzhou NO.14 High School, Zhejiang, China 论文摘要，全文下载方法见文末 Team 6770: Swim, Bike, and Run...
【同步首发】2018AMC12A官方真题及答案
2018 AMC 12A真题 答案解析请参考文末 Problem 1 A large urn contains balls, of which are red and the rest are blue. How many of the blue balls must be removed so that the percentage of red balls in t...
【同步首发】2018AMC10A官方真题及答案
2018AMC10A真题 答案解析请参考文末 Problem 1 What is the value of Problem 2 Liliane has more soda than Jacqueline, and Alice has more soda than Jacqueline. What is the relationship between the amo...
2018 AMC 12A Answer Key答案解析
2018 AMC 12A Answer Key答案解析 翰林国际教育全网首发 Problem 1 答案：D Solution：There arered balls; for these red balls to comprise of the urn, there must be only blue balls. Since there are cur...
2018 AMC 10A Answer Key答案解析
2018 AMC 10A Answer Key答案解析 翰林国际教育全网首发 Problem 1 答案：B Solution：, so the reciprocal is. Summing and repeating leads to . Rinse and repeat to get . Adding to that is (B) P...
2009HiMCM特等奖Outstanding论文B题下载
全网首发 共四篇 2009 HiMCM B题真题请点这里 Team 2225: Tsunami ("Wipe Out!") International School of Duesseldorf, Duesseldorf, Germany 论文摘要，全文下载方法见文末 Team 2332: Tsunami ("Wipe O...
