下面是小编为大家搜索整理的有关备考新gre数学易错题型解析,大家在备考新gre数学考试时可以根据以下所提到的易错题型为自己查漏补缺,从而全面掌握新GRE数学考试。
1 the sum of two numbers, x and y, equals twice their products. if x=3, what is the value of y?
这道题没大看懂?请问大家是这样么?x+y=2
x+y=2xy,求y.
2 if x is an integer and x237,what is the greatest possible value of x minus the least possible value of x?
我觉得这道题x的最大值为6,最小值为0,所以选6.
a.5 b.6 c.10 d.12 e.36
选D,最大为6,最小为-6.
3 三角形ABC,角B=X度,X90 度,比较三角形的周长与3倍AC的长度的大小,答案是B
AC是最大边,所以AB+BC+AC
2.0
比较the greatest value of p与1/2的大小,答案是C
答案错了,选B p+=2p^1/2 ==1/4 1/2
4 for the line with equation y=ax+b,the x-intercept os twice the y-intercept
比较the slope of the line 与1/2的大小,答案是D,但算出来是-1/2呀
还有截距为零的情况,所以D.
5 a certain moneymarket account that had a balance of $48000 during all of last monthearned $360 in interest for the month. at what simple annual interestrate did the account earn interest last month?
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