三年级数学下册六年月日第2课时年、月、日习题课件(2)新人教版.ppt

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闰,平,400,平,28,29,闰,400,(千克) 答:年月共售出 千克苹果.,答:李诚是月日出生的.,答: 不对, 如果遇到整百年, 必须是的倍数才是闰年. 如按每四年举办一次奥运会推算,年会举办奥运会,但年不是闰年.,

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