英语翻译A man has 29 socks in his drawer.9 identical blue,8 identical grey and 12 identical black.The lights have fused and he is completely in the dark.How many socks must he take out to make certain that he has a pair of each colour?
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英语翻译A man has 29 socks in his drawer.9 identical blue,8 identical grey and 12 identical black.The lights have fused and he is completely in the dark.How many socks must he take out to make certain that he has a pair of each colour?
英语翻译
A man has 29 socks in his drawer.9 identical blue,8 identical grey and 12 identical black.The lights have fused and he is completely in the dark.How many socks must he take out to make certain that he has a pair of each colour?
英语翻译A man has 29 socks in his drawer.9 identical blue,8 identical grey and 12 identical black.The lights have fused and he is completely in the dark.How many socks must he take out to make certain that he has a pair of each colour?
有个人的抽屉里有29只袜子,9只一摸一样的蓝色袜子,8只一摸一样的灰色袜子,12只一摸一样的黑色袜子.现在灯坏了,伸手不见五指.他要拿出多少双袜子才能保证每种颜色各有一双呢?
答案是12+9+2=23
一个男人有29双袜子在他的抽屉里。9双一样的蓝色,8双一样的灰色和12双一样的黑色。灯装有保险丝但是他完全处于黑暗中。他必须要带多少双袜子才能让他有各种颜色袜子。
我想答案应该是29吧?乱猜的。凭一个初一学生的脑子能作到这一步已经够呛的了,没有脑细胞再去想问题了,Sorry!(相信我,全是靠自己的!)...
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一个男人有29双袜子在他的抽屉里。9双一样的蓝色,8双一样的灰色和12双一样的黑色。灯装有保险丝但是他完全处于黑暗中。他必须要带多少双袜子才能让他有各种颜色袜子。
我想答案应该是29吧?乱猜的。凭一个初一学生的脑子能作到这一步已经够呛的了,没有脑细胞再去想问题了,Sorry!(相信我,全是靠自己的!)
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