摘要:3.If the n-th prime number is 47, then n is( ) 14 (D)15 (英汉词典:the n-th prime number第n个质数)
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Let a be the average of all odd prime numbers less than 50. The integer,most close to a is ( )(英汉小字典:average平均值;odd prime numbers奇质数)
| A、23 | B、24 | C、25 | D、26 |
Let a be the average of all odd prime numbers less than 50. The integer,most close to a is ( )(英汉小字典:average平均值;odd prime numbers奇质数)
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| A.23 | B.24 | C.25 | D.26 |
If the n-th prime number is 47,then n is( )(英汉词典:the n-th primenumber第n个质数)
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| A.12 | B.13 | C.14 | D.15 |
If a<b<0,then the following inequality must be hold( )
(英语小词典:following:下面的;inequality:不等式)
(英语小词典:following:下面的;inequality:不等式)
A、
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B、
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C、
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D、(b+
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