Givena,b,carepositiveintegers,anda,bareprimenumbers,,th...

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问题详情:

Given abc are positive integers,and ab are prime numbers,Givena,b,carepositiveintegers,anda,bareprimenumbers,,th...,then the value of Givena,b,carepositiveintegers,anda,bareprimenumbers,,th... 第2张 is(    )

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

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

【回答】

D

知识点:数学竞赛

题型:选择题

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