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拟定从甲地到乙地通话m分钟的话费由给出,其中[m]是大于或等于m的最小正整数,如...
拟定从甲地到乙地通话m分钟的话费由
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101224817901411492/SYS201311012248179014114006_ST/0.png)
给出,其中[m]是大于或等于m的最小正整数,如:[3.74]=4,,从甲地到乙地通话5.2分钟的话费是( )
A.3.71
B.4.24
C.4.77
D.7.95
考点分析:
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