2015 AIME I真题及答案解析
2015 AIME I真题 答案解析请参考文末 Problem 1 The expressions = and = are obtained by writing multiplication and addition operators in an alternating pattern between successive integers. Find the po...
2015 AIME I真题 答案解析请参考文末 Problem 1 The expressions = and = are obtained by writing multiplication and addition operators in an alternating pattern between successive integers. Find the po...
2016 AIME II真题 答案解析请参考文末 Problem 1 Initially Alex, Betty, and Charlie had a total of peanuts. Charlie had the most peanuts, and Alex had the least. The three numbers of peanuts that each...
2016 AIME I真题 答案解析请参考文末 Problem 1 For , let denote the sum of the geometric seriesLet between and satisfy . Find . Problem 2 Two dice appear to be normal dice with their faces num...
2017 AIME II真题 答案解析请参考文末 Problem 1 Find the number of subsets of that are subsets of neither nor . Problem 2 Teams , , , and are in the playoffs. In the semifinal matches, plays ,...
2017 AIME I真题 答案解析请参考文末 Problem 1 Fifteen distinct points are designated on : the 3 vertices , , and ; other points on side ; other points on side ; and other points on side . Find the n...
2009AMC12B真题 答案解析请参考文末 Problem 1 Each morning of her five-day workweek, Jane bought either a -cent muffin or a -cent bagel. Her total cost for the week was a whole number of dollars. How...
2009AMC12A真题 答案解析请参考文末 Problem 1 Kim's flight took off from Newark at 10:34 AM and landed in Miami at 1:18 PM. Both cities are in the same time zone. If her flight took hours and minutes...
2010AMC12B真题 答案解析请参考文末 Problem 1 Makarla attended two meetings during her -hour work day. The first meeting took minutes and the second meeting took twice as long. What percent of her wo...
2010AMC12A真题 答案解析请参考文末 Problem 1 What is ? Problem 2 A ferry boat shuttles tourists to an island every hour starting at 10 AM until its last trip, which starts at 3 PM. One day th...
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