Given a.b.c are positive integers.and a.b are prime numbers..then the value of is( ) A.14 B.13 C.12 D. 11 (英汉词典 positive integers:正整数. prime numbers:质数) 查看更多

 

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Given abc are positive integers,and ab are prime numbers,,then the value of  is(    )

A.14                B.13               C.12                D. 11

(英汉词典 positive integers:正整数. prime numbers:质数)_

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