GRE
x-2
6
The dollar reduction in the price of the jacket
The dollar reduction in the price of the pair of slacks
The product of the positive prime factors of 30
The sum of the positive prime factors of 30
x+y
1
x
y
The least possible value of s+t
13
P(125 < X < 131)
P(152 < X < 158)
25000 +道题目
236本备考书籍