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MGSM / 约翰打算卖掉自己的所有玩具,然后用这笔钱购买电子游戏。他有 13 套乐高,每套卖 15 美元。他最后买了 8 款电子游戏,每款 20 美元,并且他还剩下 5 美…

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约翰打算卖掉自己的所有玩具,然后用这笔钱购买电子游戏。他有 13 套乐高,每套卖 15 美元。他最后买了 8 款电子游戏,每款 20 美元,并且他还剩下 5 美元。他还剩下多少套乐高?

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