直排輪 - 新店

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請問板友有人有在溜直排輪的嗎

陽光運動公園那邊有個直排輪的場地

有沒有人想要去溜直排輪的

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When we toss a coin , we obtain either head or tail. Now we toss a coin 5
times. There are 2^5 possible outcomes. How many of them contain no two
consecutive heads?

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