GRE
(a+b)(c+d)
a+b(c+d)
The perimeter of quadrilateral ABCD
8r
The range of the numbers in R
x+y
The number of candidates who do not have a PhD
18
2n
900
The smallest integer $$n$$, $$n$$ > 2, such that $$n-2$$ is divisible by 3, 4, 5, and 6
362
The number of possible codes of this type
15
The area of circle C
13π
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