GRE
|x-y|
y
|-M| - |-N|
|-N| - |-M|
x+y
0
The absolute value of the greatest integer in X
The absolute value of the least integer in X
0.05 percent of 4,000
$$\frac{1}{200}$$ of 4,000
25000 +道题目
236本备考书籍