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因為1800÷400=4…200,所以1800年是平年.故答案為:錯誤.
是的,每4年裏有一個閏年,基本上凡是能被4整除的年份都是閏年,但是能被100整除的不是閏年,被400整除的是閏年.如,2004是閏年,2100不是閏年,2000是閏年.
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