GRE
The number of students that dropped class $$M$$
The number of students that dropped class $$N$$
The discarded number
$$17$$
The sum of the digits of $$a$$
The sum of the digits of $$b$$
The greatest factor of $$600$$ that is also the square of an integer
The greatest factor of $$288$$ that is also the square of an integer
The area of the field in County $$X$$
The area of the field in County $$Y$$
25000 +道题目
252本备考书籍