题目信息
Consider these three quantities:
Ⅰ$$.\frac{49!}{48!}$$
Ⅱ.$${49!}\over({7!})^{2}$$
Ⅲ.Ⅱ.$${49!}\over({42!)(7!})$$
Rank these three quantities from least to greatest.
Ⅰ$$.\frac{49!}{48!}$$
Ⅱ.$${49!}\over({7!})^{2}$$
Ⅲ.Ⅱ.$${49!}\over({42!)(7!})$$
Rank these three quantities from least to greatest.
A:I, II, III
B:I, III, II
C:II, I, III
D:II, III, I
E:III, I, II
参考答案及共享解析

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已选答案:
正确答案:
B:I, III, II
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题目来源
Magoosh