2004AIME I真题及答案解析
2004AIME I真题及答案解析 Problem 1 The digits of a positive integer??are four consecutive integers in decreasing order when read from left to right. What is the sum of the possible remainders when?...
2005AIME II真题及答案解析
2005AIME II真题及答案解析 答案解析请参考文末 Problem 1 A game uses a deck of??different cards, where??is an integer and??The number of possible sets of 6 cards that can be drawn from the deck is 6 ...
2005AIME I真题及答案解析
2005AIME I真题及答案解析 答案解析请参考文末 Problem 1 Six congruent circles form a ring with each circle externally tangent to two circles adjacent to it. All circles are internally tangent to a ci...
2006AIME II真题及答案解析
2006AIME II真题及答案解析 答案解析请参考文末 Problem 1 In convex hexagon?, all six sides are congruent,??and??are right angles, and??and??are congruent. The area of the hexagonal region is??Find?. ...
2006AIME I真题及答案解析
2006AIME I真题及答案解析 答案解析请参考文末 Problem 1 In quadrilateral??is a right angle, diagonal??is perpendicular to??and??Find the perimeter of? Problem 2 Let set??be a 90-element subset of??an...
2007AIME II真题及答案解析
2007AIME II真题及答案解析 答案解析请参考文末 Problem 1 A mathematical organization is producing a set of commemorative license plates. Each plate contains a sequence of five characters chosen from ...
2007AIME I真题及答案解析
2007AIME I真题及答案解析 答案解析请参考文末 Problem 1 How many positive perfect squares less than??are multiples of 24? Problem 2 A 100 foot long moving walkway moves at a constant rate of 6 feet p...
2008AIME II真题及答案解析
2008AIME II真题及答案解析 Problem 1 Of the students attending a school party,??of the students are girls, and??of the students like to dance. After these students are joined by??more boy students, ...
2008AIME I真题及答案解析
2008AIME I真题及答案解析 答案解析请参考文末 Problem 1 Of the students attending a school party,??of the students are girls, and??of the students like to dance. After these students are joined by??m...
