化简: ①4/(a²-4)+2/(a+2)-1/(a-2) ②(a²-a)÷[(a²-2a+1)/(a-1)]
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 18:59:30
![化简: ①4/(a²-4)+2/(a+2)-1/(a-2) ②(a²-a)÷[(a²-2a+1)/(a-1)]](/uploads/image/z/1076119-7-9.jpg?t=%E5%8C%96%E7%AE%80%3A+%E2%91%A04%2F%EF%BC%88a%26%23178%3B-4%EF%BC%89%2B2%2F%EF%BC%88a%2B2%EF%BC%89-1%2F%EF%BC%88a-2%EF%BC%89+%E2%91%A1%EF%BC%88a%26%23178%3B-a%EF%BC%89%C3%B7%5B%EF%BC%88a%26%23178%3B-2a%2B1%EF%BC%89%2F%EF%BC%88a-1%EF%BC%89%5D)
化简: ①4/(a²-4)+2/(a+2)-1/(a-2) ②(a²-a)÷[(a²-2a+1)/(a-1)]
化简: ①4/(a²-4)+2/(a+2)-1/(a-2) ②(a²-a)÷[(a²-2a+1)/(a-1)]
化简: ①4/(a²-4)+2/(a+2)-1/(a-2) ②(a²-a)÷[(a²-2a+1)/(a-1)]
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