GRE
The greatest prime factor of 49K
The greatest prime factor of 50K
The number of prime factors of n
The number of prime factors of $$\frac{n}{2}$$
The number of different prime factors of 2n
The number of different prime factors of $$n^{2}$$
|-M| - |-N|
|-N| - |-M|
The number of tenths equal to 1.4
The number of hundredths equal to 1.3
25000 +道题目
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