急:提问几道GRE数学1.4-n方框6,4-n方框5 .Which of the following symbols should be substituted for 方框 to make both of the statements above truefor all integers n such that -2第3题已会，

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急:提问几道GRE数学1.4-n方框6,4-n方框5 .Which of the following symbols should be substituted for 方框 to make both of the statements above truefor all integers n such that -2第3题已会，
急:提问几道GRE数学
1.4-n方框6,4-n方框5 .Which of the following symbols should be substituted for 方框 to make both of the statements above true
for all integers n such that -2
第3题已会，

急:提问几道GRE数学1.4-n方框6,4-n方框5 .Which of the following symbols should be substituted for 方框 to make both of the statements above truefor all integers n such that -2第3题已会，
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第一题既然-2第二题意思是对题中给定的n，前n个大于0的奇数的和与n^2-1谁大？显然前n个大于0的奇数的和为1+3+5+...+2n-1=n*n>n*n-1。所以前者大。

急:提问几道GRE数学1.4-n方框6,4-n方框5 .Which of the following symbols should be substituted for 方框 to make both of the statements above truefor all integers n such that -2第3题已会，提问几道GRE数学!急!都是绿皮上的,本人数学不大好,请尽可能详细解释,谢谢!180.36If 2/3 of the number of women attending acertain dance is equal to 1/2 the number of men attending, what fraction ofthose attending are women?A.2 几道GRE数学题 Gre数学. 小学数学圆乘以三角等于方框,圆加圆加圆等于方框减圆减圆,三角等于几? 提问几道GRE数学题1.若自然数n被3除余2,被4除余1,问n被12除余几?52.2001年的元旦是星期六,问2002年的元旦是星期几?周日用到同余理论?3．若自然数n是完全平方数,则根号下n也为n的一个因子,在n 如果三角+方框=5三角X方框=6那么三角等于几方框等于几 GRE数学提问答案为什么选D啊,我怎么算答案都是950000? 方框里面填几提问几道GRE数学题!都是绿皮上的,本人数学不大好,P275.39In how many of the integers between 1 and 100 does the digit 5 occur exactly once?答案是18,题目啥意思,如何做?P231.2A train travels 60 miles per hour for 3 hours and t 急:提问几道GRE数学题1.A/x + A/y=1.In this formula,x and yrepresent the time needed for each of two workers to complete the job alone; Arepresents the time it takes for both x and y to complete the job workingtogether.So each fraction represen GRE数学考多久 gre数学难不难 gre数学低怎么办【GRE】数学如图 GRE数学.15题 Gre数学.22题 GRE数学怎样备考