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In a certain business, production index p is directly proportional to efficiency index e, which is in turn directly proportional to investment index i. What is p if i = 70 ?
  1. e = 0.5 whenever i = 60.
  2. p = 2.0 whenever i = 50.
答案:B
问题:老师你好,为什么(1)不充分? 查看答疑

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