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昨天晚上,我做完了作业,就和爸爸一起预习。我们发现了一道难题,我和爸爸怎么也解不出来。题目是这样的:用一个杯子向一个空瓶里倒水。如果倒进3杯
Last night, when I finished my homework, I had a preview with my father. We found a problem, how can I not understand my father. The question is this: Pour water into an empty bottle with a cup. If poured into 3 cups