Right. 16. I though it's 6 different colors. If it's 6, then 17. But it's 5 different colors then should be 16. 6*2 = 12 + other 4 different colors =16.

laoyou (老油)
(#131811@0)
2001-7-14 -05:00

回到话题: 有兴趣的请帮忙做一数学题:抽屉里有5种不同颜色的袜子,至少取多少只才能保证有6双?

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