GRE
|$$x^3 + y^3$$|
1
The greatest possible value of x
255
(n+2)!+(n+1)!
(n+3)!+n!
-2x
-2y
CE
2
The percent decrease in the population of County J during the 2-year period
10%
$$5^{-|x|}$$
25000 +道题目
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