下面是参加了海外gre数学机经的同学分享的gre数学机经,希望通过自己的分析和解答能给其他gre考生提供思路和指导,也可以和周边的g友一起来讨论这些题目,对于gre数学考试的复习是相当有帮助的。
26 、数学有一道。。。79^2 等于什么。。。
27、数学就记得一个ps,给了个概念是digital root ,给了个例子 87654321= 8+7+6+5+4+3+2+1=36, 然后36= 3+6=9 ,所以他的digital root就是9 ,然后给了个 2^X5^Y7^Z,问他的digital root是多少,原理就是2和5结合起来,得到10的几次方,然后把剩下那些杂数字相乘起来,再用那个概念,最后求解。
题目不全
28 、有一个DS,是P,Q,R,S四个数,貌似是正实数,问 is P%of Q less than R% of S?
条件一是0
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