GRE
n + m
15
y
2
x
The product of the three roots
-2
The number of integers n such that -9 < 2n+1 < 15
11
$$\frac{a^{10}}{b^{10}}$$
$$\frac{a^{10}+5^{15}}{b^{10}+5^{15}}$$
25000 +道题目
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