题目内容
【题目】把下面的年份填在合适的横线上.
平年有:_____
闰年有:_____
【答案】1949,1997,2007,2005,2010 1956,1980,2004,2016,2400
【解析】
1949÷4=487…1,不是4的倍数,是平年;
1956÷4=489,是4的倍数,是闰年;
1980÷4=495,是4的倍数,是闰年;
1997÷4=499…1,不是4的倍数,是平年;
2007÷4=501…3,不是4的倍数,是平年;
2004÷4=501,是4的倍数,是闰年;
2005÷4=501…1,不是4的倍数,是平年;
2010÷4=502…2,不是4的倍数,是平年;
2016÷4=504,是4的倍数,是闰年;
2400÷400=6,是4的倍数,是闰年.
即:平年有:1949,1997,2007,2005,2010.
闰年有:1956,1980,2004,2016,2400.
故答案为:1949,1997,2007,2005,2010;1956,1980,2004,2016,2400.
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