Char2023-07-23 00:37:46
Q52, how to calculate wd 0.2667, wp0.0667, we0.6667?
回答(1)
Alex2023-07-24 09:44:19
你好同学
80/(80+20+200)=0.2667
20/(80+20+200)=0.0667
200/(80+20+200)=0.6667
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