1992AIME 真题及答案解析
1992AIME 真题及答案解析 答案解析请参考文末 Problem 1 Find the sum of all positive rational numbers that are less than 10 and that have denominator 30 when written in lowest terms. Problem 2 A posit...
1993AIME 真题及答案解析
1993AIME 真题及答案解析 答案解析请参考文末 Problem 1 How many even integers between 4000 and 7000 have four different digits? Problem 2 During a recent campaign for office, a candidate made a tour ...
1994AIME 真题及答案解析
1994AIME 真题及答案解析 答案解析请参考文末 Problem 1 The increasing sequence consists of those positive multiples of 3 that are one less than a perfect square. What is the remainder when the 1994t...
1995AIME 真题及答案解析
1995AIME 真题及答案解析 答案解析请参考文末 Problem 1 Square is For the lengths of the sides of square are half the lengths of the sides of square two adjacent sides of square are perpendicula...
1996AIME 真题及答案解析
1996AIME 真题及答案解析 答案解析请参考文末 Problem 1 In a magic square, the sum of the three entries in any row, column, or diagonal is the same value. The figure shows four of the entries of a mag...
1997AIME 真题及答案解析
1997AIME 真题及答案解析 答案解析请参考文末 Problem 1 How many of the integers between 1 and 1000, inclusive, can be expressed as the difference of the squares of two nonnegative integers? Problem 2...
1998AIME 真题及答案解析
1998AIME 真题及答案解析 答案解析请参考文末 Problem 1 For how many values of is the least common multiple of the positive integers and , and ? Problem 2 Find the number of ordered pairs of posit...
1999AIME 真题及答案解析
1999AIME 真题及答案解析 答案解析请参考文末 Problem 1 Find the smallest prime that is the fifth term of an increasing arithmetic sequence, all four preceding terms also being prime. Problem 2 Consid...
2000AIME II真题及答案解析
2000AIME II真题及答案解析 答案解析请参考文末 Problem 1 The number can be written as where and are relatively prime positive integers. Find . Problem 2 A point whose coordinates are both integers...
