明明让妈妈给自己买了10条鱼放在鱼缸里养。过了些日子,有2只被过量的鱼食撑死了,还有2只病死了。请问鱼缸里还剩几条鱼? ACfV4KZ9PgTef4U1fpDlnyk4z7kkzK+kIIlWrqQQZ0fnCMQml4T8YlD3FYtdvcOQ