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倒推还原-拓展题，难倒很多孩子，跟着李老师学习吧！#学浪计划#
有一筐苹果，把它们三等分后还剩下2个苹果；取出其中两份，将它们三等分后还剩2个；然后再取出其中两份，又将这两份三等分后还剩2个。这筐苹果至少有几个？
4年级应用题-专题与方法38/88
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