{图} 假如平均每条移动短信业务费用为0.1元,则2009年5月移动短信业务总量占电信总量的比重约为:A.2.8% B.3.0% C.3....

作者: tihaiku 人气: - 评论: 0
问题 {图} 假如平均每条移动短信业务费用为0.1元,则2009年5月移动短信业务总量占电信总量的比重约为:
选项 A.2.8% B.3.0% C.3.2% D.6.4%
答案 B
解析 643.2x0.1/2141.2=3%,选B

相关内容:移动,短信,业务,0.1元,2009年,总量,电信,比重,A.2.8%,B.3.0%,C.3....

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