2 块
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像这样把一个苹果 平均 分成两份的分法我们叫做 平均分 。. 2 块. 1 - 2. 读作:二分之一. 半个. 把一个 平均分 成 2 份,. 其中的 1 份就是它的. 涂一涂:. 折一折:. 一张长方形的纸平均分成 4 份。. ( 1 )把其中的一份涂上颜色, 涂色部分是这张纸的( )。. ( 2 )把其中的两份涂上颜色, 涂色部分是这张纸的( )。. ( 3 )把其中的三份涂上颜色, 涂色部分是这张纸的( )。. ( 4 )把其中的四份涂上颜色,
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2 块
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