年月日周丽河东区郑旺中心小学快乐课堂\n`欢迎进入时光机\n地球绕太阳转一周大约是一年。月亮绕地球转一周大约是一个月。地球自转一周大约是一日。\n2011年日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728\n2011年日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六123456789101112131415161718192021222324252627282930311012日一二三四五六1234567891011121314151617181920212223242526272811\n2011年日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六1234567891011121314151617181920212223242526272811日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六1234567891011121314151617181920212223242526272829303110日一二三四五六1234567891011121314151617181920212223242526272829303112\n2011年日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六1234567891011121314151617181920212223242526272829303110日一二三四五六1234567891011121314151617181920212223242526272829303112大大大大大大大日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293011\n2011年日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六1234567891011121314151617181920212223242526272829303110日一二三四五六1234567891011121314151617181920212223242526272829303112大大大大大大大日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293011小小小小\n\n平年：365天闰年：366天\n2011年日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六123456789101112131415161718192021222324252627282930日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六1234567891011121314151617181920212223242526272811日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六12345678910111213141516171819202122232425262728293031日一二三四五六1234567891011121314151617181920212223242526272829303110日一二三四五六1234567891011121314151617181920212223242526272829303112一三五七八十腊三十一天永不差12月\n游戏规则当老师念到大月，请男同学站起来。念到小月，请女同学站起来。我要站起来\n2001—2012年中2月日一二三四五六1234567891011121314151617181920212223242526272829日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六1234567891011121314151617181920212223242526272829日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六12345678910111213141516171819202122232425262728292008200720062005200220042009201120102012日一二三四五六12345678910111213141516171819202122232425262728日一二三四五六1234567891011121314151617181920212223242526272820012003\n年份2月天数2001282002282003282004292005282006282007282008292009282010282011282012292004292008292012292008÷4＝5022004÷4=5012012÷4＝503\n年份2月天数2001282001÷4＝500……12002282002÷4＝500……22003282003÷4＝500……32004292005282005÷4＝501……12006282006÷4＝501……22007282007÷4＝501……32008292009282009÷4＝502……12010282010÷4＝502……22011282011÷4＝502……32012292004292008292012292008÷4＝5022004÷4=5012012÷4＝503公历年份是4的倍数的一般都是闰年。\n智慧岛\n寻宝1站我知道了一年里有（　）个月，大月每月有（　）天，小月每月有（　）天。我还知道每（）年有一个闰年，闰年全年有（）天，平年全年有（）天。我知道了平年的2月有（　）天，闰年的2月有（　）天。12313028294366365\n根据计算结果判断下列年份是平年还是闰年。1995年1995÷4＝498……32000年2000÷4＝5002002年2002÷4＝500……22100年2100÷4＝525平年闰年平年平年独一无二\n2100年2月的日历。万年历28\n小知识每四年出现一个闰年，时间差不是整整24小时，而是23小时15分4秒，所以四年一闰又多算了44分56秒，看起来误差很小，时间长了，误差就大了。每400年就要多算3日2时53分20秒，所以每400年应该少增加3天。为了便于计算就做了“四年一闰，百年不全闰，四百年又闰”的规定。补充规定：年份是整百年的必须是400的倍数才是闰年。\n我是小法官\n7月和8月正好是62天？\n7月和8月正好是62天？√××\n××√7月和8月正好是62天？\n旅途愉快年月日时空之旅