[計量] 被搞昏頭了,求救
If 55% of a group of people have brown hair and 80% of the same group do
NOT have red hair, what fraction of those who do NOT have brown hair have
red hair?
from pp3....
I got confused~@@
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06/06 10:20, , 1F
06/06 10:20, 1F
→
06/06 10:21, , 2F
06/06 10:21, 2F
→
06/06 10:23, , 3F
06/06 10:23, 3F
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