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标题: [转帖]5-22 北美机经 [打印本页]

作者: smart    时间: 2004-5-24 08:52     标题: [转帖]5-22 北美机经


AI 29: Too many people think only about getting results. The key to success, however, is to focus on the specific task at hand and not to worry about results. AA 11: The following appeared in the editorial section of a local newspaper: "in the first four years that Montoya has served as mayor of the city of San Perdito, the population has decreased and the unemployment rate has increased. Two businesses have closed for each new business that has opened. Under Varro, who served as mayor for four years before Montoya, the unemployment rate decreased and the population increased. Clearly, the residents of San Perdito would be best served if they voted Montoya out of office and reelected Varro." Math: 1. what is the unit number of 7^85 + 4? 2. If (5^2x)^3/25^y=5^(-6), 求3x-y=? 3. 某数有4个质因子, 其中2 个质因子相同, 求该数共有多少因子 4.P 是某数列的和, 问P<-4? (1) 该数列由12个整数组成 (2)该数列的负整数比正整数多 5.A+B+C 是偶数吗? (1) ABC 是偶数 (2) AC 是奇数 6. 问X =?, 80<X<120, X/8 余4, (1) X 能被9整除 (2) X能被12整除




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