GRE
|-M| - |-N|
|-N| - |-M|
The number different line segments that can be formed when connecting 6 different points on a circle
15
The number of people at the party
8
$$x^{2}$$+$$y^{2}$$
$$1$$
$$\frac{111}{1,111}$$
$$\frac{1,111}{11,111}$$
The number of lines in the plane that pass through points P, Q and T
1
The sum of interior angles of a square
The sum of any four interior angles of a pentagon
The sum of the measures of the interior angles of a square
The sum of the measures of 4 of the interior angles of a regular pentagon
25000 +道题目
269本备考书籍