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偶數. 奇數乘以偶數積是偶數,奇數乘以奇數積為奇數,偶數乘以偶數積是偶數. 所以不管多少個自然數相乘,只要裡面有一個是偶數,乘積就是偶數.202個連續自然數有偶數,所以乘積是偶數.而且是正偶數或零,不是負偶數.
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