根号下(a-1)²+绝对值5-a (1小于等于a小于5)
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![根号下(a-1)²+绝对值5-a (1小于等于a小于5)](/uploads/image/z/96807-39-7.jpg?t=%E6%A0%B9%E5%8F%B7%E4%B8%8B%EF%BC%88a-1%EF%BC%89%26%23178%3B%2B%E7%BB%9D%E5%AF%B9%E5%80%BC5-a+%281%E5%B0%8F%E4%BA%8E%E7%AD%89%E4%BA%8Ea%E5%B0%8F%E4%BA%8E5%29)
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根号下(a-1)²+绝对值5-a (1小于等于a小于5)
根号下(a-1)²+绝对值5-a (1小于等于a小于5)
根号下(a-1)²+绝对值5-a (1小于等于a小于5)
=a-1+5-a
=4
4