1.At Marsh Mel Low Middle School 34 students play soccer, 36 students play football and 29 students play basketball. Of these students 15 play both soccer and football, 18 play both basketball and football and 13 play both soccer and basketball. What is the smallest possible number of students thatplay all three sports? 2. If x and y are two triangular numbers less than 100 that when added, produce a sum that is a square number, what is the largest possible value of x or y? 3. Suppose that six brothers (George, John, Thomas, Fred, Andrew, Martin) each roll a fair 6-sided die. At least three of them have rolled an even number. What is the probability that John, Fred and Martin have each rolled an even number? Express your answer as a common fraction.
F*y
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【 以下文字转载自 Military 讨论区 】 发信人: mitbbs2715 (好吃不懒做), 信区: Military 标 题: Re: 说说几个国内研究生哥们儿在北京买房的苦逼经验 发信站: BBS 未名空间站 (Mon Nov 9 14:30:36 2015, 美东) 楼下startup一个部门要搬到公海上的集装箱里面了 因为该部门主要负责人的签证基本都有问题,绿卡又没下来。