圆圈A里有 17 个豆子,圆圈B里面没有豆子。您一次可以将 5 个豆子从 A 圈移动到 B 圈,或将 3 个豆子从 B 圈移动到 A 圈。最少需要移动多少次,可以把圆圈A的17 颗豆子都转移到B圈?
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