资料简介
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www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com比较两个小数的大小,首先比较它们的整数部分,整数部分大的数大;整数部分相同,比较小数部分,从十分位上比起,十分位数字大的小数大;十分位上的数字相同,比较百分位上的数字,百分位上数字大的小数大,依次这样比下去。探索新知二想一想:怎样比较两个小数的大小?同桌交流
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