有一个问题,我不确定,求有经验者帮忙!是SSAT数学题

学习 时间:2026-03-31 18:02:44 阅读:5250
有一个问题,我不确定,求有经验者帮忙!是SSAT数学题How many socks would you need to remove from a drawer containing 10 blue socks,15 black socks,and 5 red socks,to insure that you have at least 2 matching socks?A) 3B) 4C) 16D) 17E) 28

最佳回答

落寞的春天

俊秀的苗条

2026-03-31 18:02:44

答案:B) 4
解析:
The worst case of getting no matching socks is to get one of each color,i。e。3。If you pick one more,there must be 2 matching。Therefore we only need 4 socks to insure 2 matching socks。

最新回答共有2条回答

  • 背后的玉米
    回复
    2026-03-31 18:02:44

    答案:B) 4解析:The worst case of getting no matching socks is to get one of each color,i。e。3。If you pick one more,there must be 2 matching。Therefore we only need 4 socks to insure 2 matching socks。

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