[計量] 組合的問題
A bag contains red gloves, black gloves, and white gloves. What is the least
number of gloves that must be taken out of the bag to be sure of having 4
pairs of gloves?
Ans:10
請問這題該怎麼解?
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04/25 16:03, , 1F
04/25 16:03, 1F
推
04/25 18:57, , 2F
04/25 18:57, 2F
推
04/25 20:18, , 3F
04/25 20:18, 3F
推
04/25 22:30, , 4F
04/25 22:30, 4F
推
04/25 23:40, , 5F
04/25 23:40, 5F
推
04/26 01:34, , 6F
04/26 01:34, 6F
推
04/26 21:21, , 7F
04/26 21:21, 7F
→
04/26 21:22, , 8F
04/26 21:22, 8F
→
04/26 21:22, , 9F
04/26 21:22, 9F
→
04/26 21:22, , 10F
04/26 21:22, 10F
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04/28 11:16, , 11F
04/28 11:16, 11F
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04/28 11:17, , 12F
04/28 11:17, 12F
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04/28 11:17, , 13F
04/28 11:17, 13F
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04/28 11:18, , 14F
04/28 11:18, 14F
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