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GRE 数学讲义:
GRE 数学题型
•1-15 比较大小
Quantitative Comparison
A. the quantity in Column A is greater
B. the quantity in Column B is greater
C. the two quantities are equal
D. the relationship cannot be determined from the information given
【例 1】L, M, N are both real numbers
and L>N, M>N
AB
L+MN
【例 2】The market value of a product decreased by 10 percent of its purchase
price each month. If the product was purchased in January for its market value
of $1,000, what was its market value two months later?
(A)$1,000 (B)$910
(D)$900 (E)$810
(C)$800
【例 3】 Which of the following equations can be used to find the value of x if
5 less than 3x is 6 more than the product of 2 and x?
(A)3x-5=6+2x(B)3x-5=6+(2+x)(C)5-3x=6+2x(D)5-3x=(6+2)x
(E)5-3x+6=2x
…………
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