求gmat数学题A drawer has six loose blue socks and six loose whit
求gmat数学题
A drawer has six loose blue socks and six loose white socks .If four socks are removed from the drawer at random and without replacement, what is the probability that one pair of each color was selected?
A drawer has six loose blue socks and six loose white socks .If four socks are removed from the drawer at random and without replacement, what is the probability that one pair of each color was selected?
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