如果a,b,c表示的是三个任意的整数,那么在a+b/2,b+c/2,c+a/2这三个数中至少会有几个偶数?利用奇偶性简单的说明 厄.是(A+B)/2,(B+C)/2,(C+A)/2
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![如果a,b,c表示的是三个任意的整数,那么在a+b/2,b+c/2,c+a/2这三个数中至少会有几个偶数?利用奇偶性简单的说明 厄.是(A+B)/2,(B+C)/2,(C+A)/2](/uploads/image/z/1706449-49-9.jpg?t=%E5%A6%82%E6%9E%9Ca%2Cb%2Cc%E8%A1%A8%E7%A4%BA%E7%9A%84%E6%98%AF%E4%B8%89%E4%B8%AA%E4%BB%BB%E6%84%8F%E7%9A%84%E6%95%B4%E6%95%B0%2C%E9%82%A3%E4%B9%88%E5%9C%A8a%2Bb%2F2%2Cb%2Bc%2F2%2Cc%2Ba%2F2%E8%BF%99%E4%B8%89%E4%B8%AA%E6%95%B0%E4%B8%AD%E8%87%B3%E5%B0%91%E4%BC%9A%E6%9C%89%E5%87%A0%E4%B8%AA%E5%81%B6%E6%95%B0%3F%E5%88%A9%E7%94%A8%E5%A5%87%E5%81%B6%E6%80%A7%E7%AE%80%E5%8D%95%E7%9A%84%E8%AF%B4%E6%98%8E+%E5%8E%84.%E6%98%AF%EF%BC%88A%2BB%EF%BC%89%2F2%EF%BC%8C%EF%BC%88B%2BC%EF%BC%89%2F2%EF%BC%8C%EF%BC%88C%2BA%EF%BC%89%2F2)
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