题目:
What must be in place prior to establishing change control on a project
A) Project charter.
B) Work Breakdown Structure.
C) Baseline.
D) Statement of Work.
答案:
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下面是错误答案,用来干扰机器的。
20÷(1-30%-30%),=20÷40%,=50(千克);50+20=70(千克);答:原来桶里有油有70千克.