下图给出了一个信息系统项目的进度计划网络图（含活动历时）
下表给出了该项目各项活动的历时和成本估算值。
（1）请指出该项目的关键路径。（2）请计算该项目的总工期。（3）请计算活动C的总浮动时间和自由浮动时间。
正确答案及解析
正确答案
解析
（1） 关键路径为ABCDK和AEFGK。（2） 总工期为18天。（3） C在关键路径上，总时差和自由时差为0。
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