GRE
$$xy^{2}$$
$$x^{2}y$$
$$\sqrt[4]{17}$$+$$\sqrt[4]{83}$$
$$\sqrt[5]{1,027}$$
The number of centimeters in the perimeter of P
The number of square centimeters in the area of P
a-b
|a-b|
The total number of persons in Ann`s car
d-2
The sum of the measures of angle PQT and angle RQU
90 degrees
3x+4
-2-x
$$(-1)^{x}$$
$$(-1)^{x+1}$$
The range of the numbers $$(x_1)^{2}, (x_2)^{2}, (x_3)^{2}, (x_4)^{2}, and (x_5)^{2}$$
$$r^2$$
The number of odd integers in the first 400 terms of sequence S
The number of odd integers in the first 400 terms of sequence T
25000 +道题目
6本备考书籍