GRE
$$|a-b|$$
$$3$$
The number of these offices with floor areas of 250 square feet
The number of these offices with floor areas of 300 square feet
$$(2m+1)^{2}$$
$$(2(m+1))^{2}$$
$$(2^x)^2$$
$$(x^2)^x$$
PS
RS
z
4
The remainder when k is divided by 7
The remainder when 2k is divided by 7
The least common multiple of k and n
kn
x
20
|$$m$$| - |-$$k$$|
|$$k$$| - |-$$m$$|
40
$$2(x+y)^{2}$$
$$(2x+2y)^{2}$$
$$\sqrt[3]{625}$$
$$5\sqrt{5}$$
25000 +道题目
236本备考书籍